HOOKER, AL
CITATION CLASSIC - REACTION OF CORN SEEDLINGS WITH MALE-STERILE CYTOPLASM TO HELMINTHOSPORIUM-MAYDIS
CC/AGR BIOL ENVIRON, (52): 18-18 1981
Original Paper : Hooker A L, Smith D R, Lim S M & Beckett J B. Reaction of corn seedlings with male-sterile cytoplasm to Helminthosporium maydis. Plant Dis. Rep. 54:708-12, 1970.
A1981MT33600001

BARLOW, B
CITATION CLASSIC - AN EXPERIMENTAL-STUDY OF ACUTE NEONATAL ENTEROCOLITIS - THE IMPORTANCE OF BREAST-MILK
CC/CLIN PRACTICE, (52): 18-18 1981
Original Paper : Barlow B, Santulli T V, Heird W C, Pitt J, Blanc W A & Schullinger JN. An Experimental study of acute neonatal enterocolitis - the importance of breast milk. J. Pediat. Surg. 9:587-95, 1974.
A1981MT33500001

HOLONYAK, N
CITATION CLASSIC - DOUBLE INJECTION DIODES AND RELATED DI PHENOMENA IN SEMICONDUCTORS
CC/ENG TECH APPL SCI, (52): 18-18 1981
Original Paper : Holonyak N, Jr. Double injection diodes and related DI phenomena in semiconductors. Proc. IRE 50:2421-8, 1962.
A1981MT33400001

CROW, TJ
CITATION CLASSIC - CATECHOLAMINE-CONTAINING NEURONS AND ELECTRICAL SELF-STIMULATION .1. A REVIEW OF SOME DATA
CC/LIFE SCI, (52): 18-18 1981
Original Paper : Crow T J. Catecholamine-containing neurones and electrical self-stimulation: 1. A review of some data. Psychol. Med. 2:414-21, 1972.
A1981MT33300001

STRICKLER, SJ
CITATION CLASSIC - RELATIONSHIP BETWEEN ABSORPTION INTENSITY AND FLUORESCENCE LIFETIME OF MOLECULES
CC/PHYS CHEM EARTH, (52): 18-18 1981
Original Paper : Strickler S J & Berg R A. Relationship between absorption intensity and fluorescence lifetime of molecules. J. Chem. Phys. 37:814-22, 1962.
A1981MT33200001

MacKINNON, DW
CITATION CLASSIC - THE NATURE AND NURTURE OF CREATIVE TALENT
CC/SOC BEHAV SCI, (52): 18-18 1981
Original Paper : MacKinnon D W. The nature and nurture of creative talent. Amer. Psychol. 17:484-95, 1962.
A1981MT33000001

CAMM, E
CITATION CLASSIC - REVIEW ARTICLE - PHENYLALANINE AMMONIA-LYASE
CC/AGR BIOL ENVIRON, (51): 22-22 1981
Original Paper : Camm E L & Towers G H N. Review article: phenylalanine ammonia lyase.Phytochemistry 12:961-73, 1973.
A1981MS54300001

BLACKBURN, H
CITATION CLASSIC - THE ELECTROCARDIOGRAM IN POPULATION STUDIES - A CLASSIFICATION-SYSTEM
CC/CLIN PRACTICE, (51): 22-22 1981
Original Paper : Blackburn H, Keys A, Simonson E, Rautaharju P & Punsar S. The electrocardiogram in population studies: a classification system. Circulation 21:1160-75, 1960.
A1981MS54200001’

AKAIKE, H
CITATION CLASSIC - A NEW LOOK AT THE STATISTICAL-MODEL IDENTIFICATION
CC/ENG TECH APPL SCI, (51): 22-22 1981
Original Paper : Akaike H. A new look at the statistical model identification. IEEE Trans. Automat. Contr. AC-19:716-23, 1974.
A1981MS54100001

GOFF, WR
CITATION CLASSIC - DISTRIBUTION OF CEREBRAL SOMATOSENSORY EVOKED-RESPONSES IN NORMAL MAN
CC/LIFE SCI, (51): 22-22 1981
Original Paper : Goff W R, Rosaer B S & Allison T. Distribution of cerebral somatosensory evoked responses in normal man. Electroencephalogr. Clin. Neuro. 14:697-713, 1962.
A1981MS54000001

FARLEY, DT
CITATION CLASSIC - A PLASMA INSTABILITY RESULTING IN FIELD-ALIGNED IRREGULARITIES IN THE IONOSPHERE
CC/PHYS CHEM EARTH, (51): 22-22 1981
Original Paper : Farley D T, Jr. A plasma instability resulting in field-aligned irregularities in the ionosphere. J. Geophys. Res. 68:6083-97, 1963.
A1981MS53900001

RYDER, NB
CITATION CLASSIC - THE COHORT AS A CONCEPT IN THE STUDY OF SOCIAL-CHANGE
CC/SOC BEHAV SCI, (51): 22-22 1981
Orignal Paper : Ryder N B. The cohort as a concept in the study of social change. Amer. Sociol. Rev. 30:843-61, 1965.
A1981MS53800001

MILGRAM, S
CITATION CLASSIC - THE EXPERIENCE OF LIVING IN CITIES
CC/SOC BEHAV SCI, (50): 14-14 1981
Original Paper : Milgram S. The experience of living in cities. Science 167:1461-8, 1970.
A1981MR82800001

RICHARDSON, JW
CITATION CLASSIC - APPROXIMATE RADIAL FUNCTIONS FOR 1ST-ROW TRANSITION-METAL ATOMS AND IONS .1. INNER-SHELL, 3D AND 4S ATOMIC ORBITALS
CC/PHYS CHEM EARTH, (50): 14-14 1981
Original Paper : Richardson J W, Nieuwpoort W C, Powell R R & EdgeU W F. Approximate radial functions for first-row transition-metal atoms and ions. I. Inner-shell, 3d and 4s atomic orbitals. J. Chem. Phys. 36:1057-61, 1962.
A1981MR82700001

CUNNINGHAM, AJ
CITATION CLASSIC - FURTHER IMPROVEMENTS IN THE PLAQUE TECHNIQUE FOR DETECTING SINGLE ANTIBODY-FORMING-CELLS
CC/LIFE SCI, (50): 14-14 1981
Original Paper : Cunningham A J & Szenberg A. Further improvements in the plaque technique for detecting single antibody-forming cells. Immunology 14:599-600, 1968.
A1981MR82600001

MAY, KR
CITATION CLASSIC - THE CASCADE IMPACTOR - AN INSTRUMENT FOR SAMPLING COARSE AEROSOLS
CC/ENG TECH APPL SCI, (50): 14-14 1981
Original Paper : May K R. The cascade impactor: an instrument for sampling coarse aerosols. J. Sci. Instrum. 22:187-95, 1945.
A1981MR82500001

JOHANSSON, SGO
CITATION CLASSIC - IMMUNOGLOBULIN LEVELS IN ETHIOPIAN PRESCHOOL-CHILDREN WITH SPECIAL REFERENCE TO HIGH-CONCENTRATIONS OF IMMUNOGLOBULIN-E (IGND)
CC/CLIN PRACTICE, (50): 14-14 1981
Original Paper : Johansson S G O, Mellbin T & Vahlquist B. Immunoglobulin levels in Ethiopian preschool children with special reference to high concentrations of immunoglobulin E (IgND). Lancet 1:1118-21, 1968.
A1981MR82400001

UTHE, JF
CITATION CLASSIC - MERCURY DETERMINATION IN FISH SAMPLES BY WET DIGESTION AND FLAMELESS ATOMIC-ABSORPTION SPECTROPHOTOMETRY
CC/AGR BIOL ENVIRON, (50): 14-14 1981
Original Paper : Uthe J F, Armstrong F A J & Stainton M P. Mercury determination in fish samples by wet digestion and flameless atomic absorption spectrophotometry. J. Fish. Res. Board Can. 27:805-11, 1970.
A1981MR82300001

LEONARD, RT
CITATION CLASSIC - CHARACTERIZATION OF PLASMA MEMBRANE-ASSOCIATED ADENOSINE-TRIPHOSPHATASE ACTIVITY OF
OAT ROOTS
CC/AGR BIOL ENVIRON, (49): 16-16 1981
Original Paper : Leonard R T & Hodges T K. Characterization of plasma membrane-associated adenosine triphosphatase activity of oat roots. Plant Physiol. 52:6-12, 1973.
A1981MQ76200001

GUZE, LB
CITATION CLASSIC - PYELONEPHRITIS
CC/CLIN PRACTICE, (49): 16-16 1981
Original Paper: Kleeman C R, Hewitt W L & Guze L B. Pyelonephritis. Medicine 39:3-116, 1960.
A1981MQ76100001

LI, JCM
CITATION CLASSIC - PETCH RELATION AND GRAIN-BOUNDARY SOURCES
CC/ENG TECH APPL SCI, (49): 16-16 1981
Original Paper : Li J C M. Petch relation and grain boundary sources. Trans. Metall. Soc. AIME 277:239-47, 1963.
A1981MQ76000001

BENDIXEN, G
CITATION CLASSIC - A LEUKOCYTE MIGRATION TECHNIQUE FOR INVITRO DETECTION OF CELLULAR (DELAYED-TYPE) HYPERSENSITIVITY IN MAN
CC/LIFE SCI, (49): 16-16 1981
Original Paper : Bendixen G & Søborg M. A leucocyte migration technique for in vitro detection of cellular (delayed type) hypersensitivity in man. Dan. Med. Bull. 16:1-6, 1969.
A1981MQ75900001

PAKE, GE
CITATION CLASSIC - NUCLEAR-RESONANCE ABSORPTION IN HYDRATED CRYSTALS - FINE-STRUCTURE OF THE PROTON LINE
CC/PHYS CHEM EARTH, (49): 16-16 1981
Original Paper : Pake G E. Nuclear resonance absorption in hydrated crystals: fine structure of the proton line. J. Chem. Phys. 16:327-36, 1948.
A1981MQ75800001

TRABASSO, T
CITATION CLASSIC - ATTENTION IN LEARNING - THEORY AND RESEARCH
CC/SOC BEHAV SCI, (49): 16-16 1981
Original Paper : Trabasso T, Bower G H & Gelman R. Attention in learning: theory and research. New York: Wiley, 1968.
A1981MQ75700001

SCANDALIOS, JG
CITATION CLASSIC - ISOZYMES IN DEVELOPMENT AND DIFFERENTIATION
CC/AGR BIOL ENVIRON, (48): 16-16 1981
Original Paper : Scandalios J G. Isozymes in development and differentiation. Annu. Rev. Plant Physiol. 25:225-58, 1974.
A1981MQ16000001

PAYNE, JH
CITATION CLASSIC - SURGICAL-TREATMENT OF OBESITY
CC/CLIN PRACTICE, (48): 16-16 1981
Original Paper : Payne J H & DeWind L T. Surgical treatment of obesity. Amer. J. Surg. 118:141-7, 1969.
A1981MQ15800001

CARTER, G
CITATION CLASSIC - THERMAL RESOLUTION OF DESORPTION ENERGY-SPECTRA
CC/ENG TECH APPL SCI, (48): 16-16 1981
Original Paper : Carter G. Thermal resolution of desorption energy spectra. Vacuum 12:245-54, 1962. NOVEMBER 30, 1981
A1981MQ15700001

BANDURSKI, RS
CITATION CLASSIC - THE CHROMATOGRAPHIC IDENTIFICATION OF SOME BIOLOGICALLY IMPORTANT PHOSPHATE-ESTERS
CC/LIFE SCI, (48): 16-16 1981
Original Paper : Bandurski R S & Axelrod B. The chromatographic identification of some biologically important phosphate esters, J. Biol. Chem. 193:405-10, 1951.
A1981MQ15600001

STARY, J
CITATION CLASSIC - SYSTEMATIC STUDY OF THE SOLVENT-EXTRACTION OF METAL OXINATES
CC/PHYS CHEM EARTH, (48): 16-16 1981
Original Paper : Stary J. Systematic study of the solvent extraction of metal oxinates. Anal. Chim. Ada 28:132-49, 1963.
A1981MQ15500001\

FRASER, C
CITATION CLASSIC - CONTROL OF GRAMMAR IN IMITATION, COMPREHENSION, AND PRODUCTION
CC/SOC BEHAV SCI, (48): 16-16 1981
Original Paper : Fraser C, Bellugi U & Brown R. Control of grammar in imitation, comprehension, and production. J. Verb. Learn. Verb. Behav. 2:121-35, 1963.
A1981MQ15400001

BERGERSEN, FJ
CITATION CLASSIC - BIOCHEMISTRY OF SYMBIOTIC NITROGEN-FIXATION IN LEGUMES
CC/AGR BIOL ENVIRON, (47): 18-18 1981
Original Paper: Bergersen F J. Biochemistry of symbiotic nitrogen fixation in legumes.Annu. Rev. Plant Physiol. 22:121-40, 1971.
A1981MN98800001

ANDREATCH, P
CITATION CLASSIC - ANALYSIS OF THE PULSE SUPERPOSITION METHOD FOR MEASURING ULTRASONIC WAVE VELOCITIES AS A FUNCTION OF TEMPERATURE AND PRESSURE
CC/ENG TECH APPL SCI, (47): 18-18 1981
Original Paper : McSkimin H J & Andreatch P. Analysis of the pulse superposition method for measuring ultrasonic wave velocities as a function of temperature and pressure. J. Acoust. Soc. Amer. 34:609-15, 1962.
A1981MN98600001

ARNOLD, A
CITATION CLASSIC - DIFFERENTIATION OF RECEPTOR SYSTEMS ACTIVATED BY SYMPATHOMIMETIC AMINES
CC/LIFE SCI, (47): 18-18 1981
Original Paper: Lands A M, Arnold A, McAuliff J P, Ludaena F P & Brown T G, Jr. Differentiation of receptor systems activated by sympathomimetic amines. Nature 214:597-8, 1967.
A1981MN98500001

MCKENZIE, D
CITATION CLASSIC - CONVECTION IN THE EARTHS MANTLE - TOWARDS A NUMERICAL-SIMULATION
CC/PHYS CHEM EARTH, (47): 18-18 1981
Original Paper : McKenzie D P, Roberts J M & Weiss N O. Convection in the earth’s mantle: towards a numerical simulation. J. Fluid Mech. 62:465-538, 1974.
A1981MN98400001

REESE, HW
CITATION CLASSIC - VERBAL MEDIATION AS A FUNCTION OF AGE LEVEL
CC/SOC BEHAV SCI, (47): 18-18 1981
Original Paper : Reese H W. Verbal mediation as a function of age level. Psychol. Bull. 59:502-9, 1962.
A1981MN98300001

BUTLER, WL
CITATION CLASSIC - NON-PHOTOCHEMICAL TRANSFORMATIONS OF PHYTOCHROME INVIVO
CC/AGR BIOL ENVIRON, (46): 18-18 1981
Original Paper : Butler W L, Lane H C & Siegelman H W. Nonphotochemical transformations of phytochrome in vivo. Plant Physiol. 38:514-19, 1963.
A1981MN35400001

PROUDFIT, WL
CITATION CLASSIC - SELECTIVE CINE CORONARY ARTERIOGRAPHY - CORRELATION WITH CLINICAL FINDINGS IN 1,000  PATIENTS
CC/CLIN PRACTICE, (46): 18-18 1981
Original Paper : Proudfit W L, Shirey E K & Sones F M, Jr. Selective cine coronary arteriography: correlation with clinical findings in 1,000 patients. Circulation 33:901-10, 1966.
A1981MN35200001

LENDER, A
CITATION CLASSIC - CORRELATIVE LEVEL CODING FOR BINARY-DATA TRANSMISSION
CC/ENG TECH APPL SCI, (46): 18-18 1981
Original Paper : Lender A. Correlative level coding for binary-data transmission. IEEE Spectrum 3:104-15, 1966.
A1981MN34900001

PETSCHE, H; STUMPF, C; GOGOLAK, G
CITATION CLASSIC - THE SIGNIFICANCE OF THE RABBITS SEPTUM AS A RELAY STATION BETWEEN THE MIDBRAIN AND THE HIPPOCAMPUS .1. THE CONTROL OF HIPPOCAMPUS AROUSAL ACTIVITY BY THE SEPTUM CELLS
CC/LIFE SCI, (46): 18-18 1981
Original Paper : Petsche H, Stumpi C & Gogolak G. The significance of the rabbit's septum as a relay station between the midbrain and the hippocampus. I. The control of hippocampus arousal activity by the septum cells. Electroencephalogr. Clin. Neuro. 14:202-11, 1962.
A1981MN34700001

SMITH, DW
CITATION CLASSIC - THE SPECTRA OF FERRIC HEMES AND HEMOPROTEINS
CC/LIFE SCI, (46): 19-19 1981
Original Paper : Smith D W & Williams R J P. The Spectra of ferric haems and haemoproteins. Struct. Bond. 7:1-45, 1970.
A1981MN34700002

BOYER, RF
CITATION CLASSIC - THE RELATION OF TRANSITION-TEMPERATURES TO CHEMICAL-STRUCTURE IN HIGH POLYMERS
CC/PHYS CHEM EARTH, (46): 18-18 1981
Original Paper : Boyer R F. The relation of transition temperatures to chemical structure in high polymers. Rubber Chem. Technol. 36:1303-421, 1963.
A1981MN34400001

CRESPI, LP
CITATION CLASSIC - QUANTITATIVE VARIATION OF INCENTIVE AND PERFORMANCE IN THE WHITE-RAT
CC/SOC BEHAV SCI, (46): 18-18 1981
Original Paper : Crespi L P. Quantitative variation of incentive and performance in the white rat. Amer. Psychol. 55:467-517, 1942.
A1981MN34100001

ZUCKERMAN, M
CITATION CLASSIC - DEVELOPMENT OF A SENSATION-SEEKING SCALE
CC/SOC BEHAV SCI, (45): 16-16 1981
Original Paper : Zuckerman M, Kolin E A, Price L & Zoob I. Development of a sensation-seeking scale. J. Consult. Psychol. 28:477-82, 1964.
A1981MM42200001

BRANDOW, BH
CITATION CLASSIC - LINKED-CLUSTER EXPANSIONS FOR THE NUCLEAR MANY-BODY PROBLEM
CC/PHYS CHEM EARTH, (45): 16-16 1981
Original Paper : Brandow B H. Linked-cluster expansions for the nuclear many-body problem. Rev. Mod. Phys. 39:771-828, 1967.
A1981MM42100001

O'BRIEN, JS
CITATION CLASSIC - TAY-SACHS DISEASE - GENERALIZED ABSENCE OF A BETA-D-N-ACETYLHEXOSAMINIDASE COMPONENT
CC/LIFE SCI, (45): 16-16 1981
Original Paper : Okada S & O’Brien J S. Tay-Sachs disease: generalized absence of a beta-D-Nacetylhexosaminidase component. Science 165:698-700, 1969.
A1981MM42000001

KLEIN, E
CITATION CLASSIC - ANTIGENIC PROPERTIES OF LYMPHOMAS INDUCED BY THE MOLONEY AGENT
CC/LIFE SCI, (45): 17-17 1981
Original Paper : Klein E & Klein G. Antigenic properties of lymphomas induced by the Moloney agent. J. Nat. Cancer Inst. 32:547-68, 1964.
A1981MM42000002

CHAUDHARI, P
CITATION CLASSIC - AMORPHOUS METALLIC-FILMS FOR BUBBLE-DOMAIN APPLICATIONS
CC/ENG TECH APPL SCI, (45): 16-16 1981
Original Paper : Chaudhari P, Cuomo J J & Gambino R J. Amorphous metallic films for bubble domain applications. IBM J. Res. Dev. 17:66-8, 1973.
A1981MM41900001

OLIVER, MF
CITATION CLASSIC - RELATION BETWEEN SERUM-FREE-FATTY-ACIDS AND ARRHYTHMIAS AND DEATH AFTER ACUTE MYOCARDIAL-INFARCTION
CC/CLIN PRACTICE, (45): 16-16 1981
Original Paper : Oliver M F, Kurien V A & Greenwood T W. Relation between serum-free-fattyacids and arrhythmias and death after acute myocardial infarction. Lancet 1:710-15, 1968.
A1981MM41800001

BROWN, JL
CITATION CLASSIC - THE EVOLUTION OF DIVERSITY IN AVIAN TERRITORIAL SYSTEMS
CC/AGR BIOL ENVIRON, (45): 16-16 1981
Original Paper : Brown J L. The evolution of diversity in avian territorial systems. Wilson Bull. 76:160-9, 1964.
A1981MM41700001

HALL, DJ
CITATION CLASSIC - AN EXPERIMENTAL APPROACH TO THE PRODUCTION DYNAMICS AND STRUCTURE OF FRESH-WATER ANIMAL COMMUNITIES
CC/AGR BIOL ENVIRON, (44): 24-24 1981
Original Paper : Hall D J, Cooper W E & Werner E E. An experimental approach to the production dynamics and structure of freshwater animal communities. Limnol. Oceanogr. 15:839-928, 1970.
A1981ML64400001

PARK, BH
CITATION CLASSIC - INFECTION AND NITROBLUE-TETRAZOLIUM REDUCTION BY NEUTROPHILS - A DIAGNOSTIC-AID
CC/CLIN PRACTICE, (44): 24-24 1981
Original Paper : Park B H, Fikrig S M & Smithwick E M. Infection and nitroblue-tetrazolium reduction by neutrophils: a diagnostic aid. Lancet 2:532-4, 1968.
A1981ML64300001

PADOVANI, FA; STRATTON, R
CITATION CLASSIC - FIELD AND THERMIONIC-FIELD EMISSION IN SCHOTTKY BARRIERS
CC/ENG TECH APPL SCI, (44): 24-24 1981
Original Paper : Padovani F A & Stratton R. Field and thermionic-field emission in Schottky barriers. Solid State Electron. 9:695-707, 1966.
A1981ML64200001

MILLER, JA
CITATION CLASSIC - CARCINOGENESIS BY CHEMICALS - AN OVERVIEW - CLOWES,G.H.A. MEMORIAL LECTURE
CC/LIFE SCI, (44): 24-24 1981
Original Paper : Miller J A. Carcinogenesis by chemicals: an overview—G.H.A. Clowes Memorial Lecture. Cancer Res. 30:559-76, 1970.
A1981ML64100001

NISONOFF, A
CITATION CLASSIC - SEPARATION OF UNIVALENT FRAGMENTS FROM THE BIVALENT RABBIT ANTIBODY MOLECULE BY REDUCTION OF DISULFIDE BONDS
CC/LIFE SCI, (44): 25-25 1981
Original Paper : Nisonoff A, Wissler F C, Lipman L N & Woernley D L. Separation of univalent fragments from the bivalent rabbit antibody molecule by reduction of disulfide bonds. Arch. Biochem. Biophys. 89:230-44, 1960.
A1981ML64100002

DOMB, C
CITATION CLASSIC - ON THE THEORY OF COOPERATIVE PHENOMENA IN CRYSTALS
CC/PHYS CHEM EARTH, (44): 24-24 1981
Original Paper : Domb C. On the theory of cooperative phenomena in crystals. Advdn. Phys. 9:149-361, 1960.
A1981ML64000001

KENDON, A
CITATION CLASSIC - SOME FUNCTIONS OF GAZE-DIRECTION IN SOCIAL-INTERACTION
CC/SOC BEHAV SCI, (44): 24-24 1981
Original Paper : Kendon A. Some functions of gaze-direction in social interaction. Acta Psychologica 26:22-63, 1967.
A1981ML63900001

ARCHER, J
CITATION CLASSIC - TESTS FOR EMOTIONALITY IN RATS AND MICE - A REVIEW
CC/LIFE SCI, (43): 20-20 1981
Original Paper : Archer I. Tests for emotionality in rats and mice: a review. Anim. Behav. 21:205-35, 1973.
A1981MK45200001

KOELLA, WP
CITATION CLASSIC - THE EFFECT OF PARA-CHLOROPHENYLALANINE ON THE SLEEP OF CATS
CC/LIFE SCI, (43): 21-21 1981
Original Paper : Koella W P, Feldstein A & Czicman I S. The effect of para-chlorophenylalanine on the sleep of cats. Electroencephalogr. Clin. Neuro. 25:481-90, 1968.
A1981MK45200002

LUND, JWG
CITATION CLASSIC - THE INVERTED MICROSCOPE METHOD OF ESTIMATING ALGAL NUMBERS AND THE STATISTICAL BASIS OF ESTIMATIONS BY COUNTING
CC/AGR BIOL ENVIRON, (43): 20-20 1981
Original Paper : Lund J W G, Kipling C & Le Cren E D. The inverted microscope method of estimating algal numbers and the statistical basis of estimations by counting. Hydrobiologia 11:143-70, 1958.
A1981MK45400001

BOX, GEP
CITATION CLASSIC - ON THE EXPERIMENTAL ATTAINMENT OF OPTIMUM CONDITIONS
CC/ENG TECH APPL SCI, (43): 20-20 1981
Original Paper : Box G E P & Wilson K B. On the experimental attainment of optimum conditions. J. Roy. Statist. Soc. Ser. B Metho. 13:1-45, 1951.
A1981MK45300001

GOODMAN, AM
CITATION CLASSIC - METAL-SEMICONDUCTOR BARRIER HEIGHT MEASUREMENT BY THE DIFFERENTIAL CAPACITANCE METHOD - ONE CARRIER SYSTEM
CC/PHYS CHEM EARTH, (43): 20-20 1981
Original Paper : Goodman A M. Metal-semiconductor barrier height measurement by the differential capacitance method—one carrier system. J. Appl. Phys. 34:329-38, 1963.
A1981MK45100001

ADAMS, JS
CITATION CLASSIC - TOWARD AN UNDERSTANDING OF INEQUITY
CC/SOC BEHAV SCI, (43): 20-20 1981
Original Paper : Adams J S. Toward an understanding of inequity. J. Abnormal Soc. Psychol. 67:422-36, 1963.
A1981MK45000001

CARNEY, MWP
CITATION CLASSIC - THE DIAGNOSIS OF DEPRESSIVE SYNDROMES AND THE PREDICTION OF ECT RESPONSE
CC/CLIN PRACTICE, (43): 20-20 1981
Original Paper : Carney  M W P. Roth M & Garside R F. The diagnosis of depressive syndromes and the prediction of ECT response. Brit. J. Psychiat. 111:659-74, 1965.
A1981MK45500001

SPEHLMANN, R
CITATION CLASSIC - THE AVERAGED ELECTRICAL RESPONSES TO DIFFUSE AND TO PATTERNED LIGHT IN THE HUMAN
CC/CLIN PRACTICE, (42): 20-20 1981
Original Paper : Spehlmann R. The averaged electrical responses to diffuse and to patterned light in the human. Electroencephalogr. Clin. Neuro. 19:560-9, 1965.
A1981MJ56400001

KANAI, R
CITATION CLASSIC - SEPARATION OF MESOPHYLL PROTOPLASTS AND BUNDLE SHEATH-CELLS FROM MAIZE LEAVES FOR PHOTOSYNTHETIC STUDIES
CC/AGR BIOL ENVIRON, (42): 20-20 1981
Original Paper : Kanai R & Edwards G E. Separation of mesophyll protoplasts and bundle sheath cells from maize leaves for photosynthetic studies. Plant Physiol. 51:1133-7, 1973.
A1981MJ56300001

SOROKIN, PP
CITATION CLASSIC - STIMULATED-EMISSION OBSERVED FROM AN ORGANIC-DYE, CHLORO-ALUMINUM PHTHALOCYANINE
CC/ENG TECH APPL SCI, (42): 20-20 1981
Original Paper: Sorokin P P & Lankard J R. Stimulated emission observed from an organic dye, chloro-aluminum phthalocyanine. IBM J. Res. Develop. 10:162-3, 1966.
A1981MJ56200001

WYATT, GR
CITATION CLASSIC - THE PURINE AND PYRIMIDINE COMPOSITION OF DEOXYPENTOSE NUCLEIC-ACIDS
CC/LIFE SCI, (42): 20-20 1981
Original Paper: Wyatt G R. The purine and pyrimidine composition of dcoxypentose nucleic acids. Biochemical J. 48:584-90, 1951.
A1981MJ56100001

WADDELL, WJ
CITATION CLASSIC - A SIMPLE ULTRAVIOLET SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF PROTEIN
CC/LIFE SCI, (42): 21-21 1981
Original Paper: Waddell W J. A simple ultraviolet spectrophotoraetric method for the determination of protein. J. Lab. Clin. Med. 48:311-14, 1956.
A1981MJ56100002

COWLEY, RA
CITATION CLASSIC - THE LATTICE-DYNAMICS OF AN ANHARMONIC CRYSTAL
CC/PHYS CHEM EARTH, (42): 20-20 1981
Original Paper : Cowley R A. The lattice dynamics of an anharmonic crystal. Advan. Phys. 12:421-80, 1963.
A1981MJ56000001

TERRACE, HS
CITATION CLASSIC - DISCRIMINATION-LEARNING WITH AND WITHOUT ERRORS
CC/SOC BEHAV SCI, (42): 20-20 1981
Original Paper : Terrace H S. Discrimination learning with and without “errors.” J. Exp. Anal. Behav. 6:1-27, 1963.
A1981MJ55900001

BEM, SL
CITATION CLASSIC - THE MEASUREMENT OF PSYCHOLOGICAL ANDROGYNY
CC/SOC BEHAV SCI, (41): 22-22 1981
Original Paper : Bem S L. The measurement of psychological androgyny. J. Consult. Clin. Psychol. 42:155-62, 1974.
A1981MH61900001

BAMBYNEK, W
CITATION CLASSIC - X-RAY-FLUORESCENCE YIELDS, AUGER, AND COSTER-KRONIG TRANSITION-PROBABILITIES
CC/PHYS CHEM EARTH, (41): 22-22 1981
Original Paper : Bambynek W, Crasemann B, Fink R W, Freund H U, Mark H, Swift CD, Price R E & Rao P V. X-ray fluorescence yields, Auger, and Coster-Kronig transition probabilities. Rev Mod. Phys. 44:716-813,1972; 46:853, 1974.
A1981MH61800001

CLEAVER, JE
CITATION CLASSIC - REPAIR REPLICATION OF MAMMALIAN-CELL DNA - EFFECTS OF COMPOUNDS THAT INHIBIT DNA-SYNTHESIS OR DARK REPAIR
CC/LIFE SCI, (41): 22-22 1981
Original Paper : Cleaver J E. Repair replication of mammalian cell DNA: effects of compounds that inhibit DNA synthesis or dark repair. Radiat. Res. 37:334-48, 1969.
A1981MH61700001

WHEELER, GP
CITATION CLASSIC - STUDIES RELATED TO THE MECHANISMS OF ACTION OF CYTO-TOXIC ALKYLATING-AGENTS - A REVIEW
CC/LIFE SCI, (41): 23-23 1981
Original Paper : Wheeler G P. Studies related to the mechanisms of action of cytotoxic alkylating agents: a review. Cancer Res. 22:651-88, 1962.
A1981MH61700002

GLEITER, H
CITATION CLASSIC - THE MECHANISM OF GRAIN-BOUNDARY GLIDE
CC/ENG TECH APPL SCI, (41): 22-22 1981
Original Paper : Gleiter H, Hornbogen E & Bäro G. Der Mechanismus des Korngrenzengleitens. [The mechanism of grain boundary glide.] Acta Metallurgica 16:1053-67, 1968.
A1981MH61600001

STRANDNESS, DE
CITATION CLASSIC - ULTRASONIC FLOW DETECTION - A USEFUL TECHNIQUE IN THE EVALUATION OF PERIPHERAL VASCULAR-DISEASE
CC/CLIN PRACTICE, (41): 22-22 1981
Original Paper : Strandness D E, Jr., Schultz R D, Sumner D S & Rushmer R F. Ultrasonic flow detection: a useful technic in the evaluation of peripheral vascular disease. Amer. J. Surg. 113:311- 20, 1967.
A1981MH61500001

WALKER, DA
CITATION CLASSIC - PHOTOSYNTHETIC INDUCTION PHENOMENA AND THE LIGHT ACTIVATION OF RIBULOSE DIPHOSPHATE CARBOXYLASE
CC/AGR BIOL ENVIRON, (41): 22-22 1981
Original Paper : Walker D A. Photosynthetic induction phenomena and the light activation of ribulose diphosphate carboxylase. New Phytol. 72:209-35, 1973.
A1981MH61400001

POLLACK, GL
CITATION CLASSIC - THE SOLID-STATE OF RARE-GASES
CC/PHYS CHEM EARTH, (40): 20-20 1981
Original Paper : Pollack G L. The solid state of rare gases. Rev. Mod. Phys. 36:748-91, 1964.
A1981MG81200001

GATTI, RA
CITATION CLASSIC - OCCURRENCE OF MALIGNANCY IN IMMUNODEFICIENCY DISEASES - A LITERATURE-REVIEW
CC/CLIN PRACTICE, (40): 20-20 1981
Original Paper : Gatti R A & Good R A. Occurrence of malignancy in immunodeficiency diseases: a literature review. Cancer 28:89-98, 1971.
A1981MG80600001

PENNER, S
CITATION CLASSIC - CALCULATIONS OF PROPERTIES OF MAGNETIC DEFLECTION SYSTEMS
CC/ENG TECH APPL SCI, (40): 20-20 1981
Original Paper : Penner S. Calculations of properties of magnetic deflection systems. Rev. Sci. Instr. 32:150-60, 1961.
A1981MG80200001

SHORE, PA
CITATION CLASSIC - A METHOD FOR THE FLUOROMETRIC ASSAY OF HISTAMINE IN TISSUES
CC/LIFE SCI, (40): 20-20 1981
Original Paper : Shore P A, Burkhalter A & Cohn V H, Jr. A method for the fluorometric assay of histamine in tissues. J. Pharmacol. Exp. Ther. 127:182-6, 1959.
A1981MG80000001

MORUZZI, G; MAGOUN, HW
CITATION CLASSIC - BRAIN-STEM RETICULAR-FORMATION AND ACTIVATION OF THE EEG
CC/LIFE SCI, (40): 21-21 1981
Original Paper : Moruzzi G & Magoun H W. Brain stem reticular formation and activation of the EEG. Electroencephalogr. Clin. Neuro. 1:455-73, 1949.
A1981MG80000002

ZELITCH, I; SAWHNEY, BL
CITATION CLASSIC - DIRECT DETERMINATION OF POTASSIUM-ION ACCUMULATION IN GUARD-CELLS IN RELATION TO STOMATAL OPENING IN LIGHT
CC/AGR BIOL ENVIRON, (40): 20-20 1981
Original Paper : Sawhney B L & Zelitch I. Direct determination of potassium ion accumulation in guard cells in relation to stomatal opening in light. Plant Physiol. 44:1350-4, 1969.
A1981MG79900001

KATZ, MM
CITATION CLASSIC - METHODS FOR MEASURING ADJUSTMENT AND SOCIAL-BEHAVIOR IN THE COMMUNITY .1. RATIONALE, DESCRIPTION, DISCRIMINATIVE VALIDITY AND SCALE DEVELOPMENT
CC/SOC BEHAV SCI, (40): 20-20 1981
Original Paper : Katz M M & Lyerly S B. Methods for measuring adjustment and social behavior in the community: I. Rationale, description, discriminative validity and scale development. Psychol. Rep. 13:503-35, 1963.
A1981MG79400001

JENSEN, AR
CITATION CLASSIC - THE STROOP COLOR-WORD TEST - A REVIEW
CC/SOC BEHAV SCI, (39): 20-20 1981
Original Paper : Jensen A R & Rohwer W D, Jr. The Stroop color-word test: a review. Acta Psychologica 25:36-93, 1966.
A1981MF70500001

DAMASK, AC
CITATION CLASSIC - POINT-DEFECTS IN METALS
CC/PHYS CHEM EARTH, (39): 20-20 1981
Original Paper : Damask A C & Dienes G J. Point defects in metals. New York: Gordon and Breach, 1963.
A1981MF70400001

MAJNO, G
CITATION CLASSIC - STUDIES ON INFLAMMATION .1. THE EFFECT OF HISTAMINE AND SEROTONIN ON VASCULAR-PERMEABILITY - AN ELECTRON-MICROSCOPIC STUDY
CC/LIFE SCI, (39): 20-20 1981
Original Paper : Majno G & Palade G E. Studies on inflammation. I. The effect of histamine and serotonin on vascular permeability: an electron microscopic study. J. Biophys. Biochem. Cytol. 11:571-605, 1961.
A1981MF70300001

KETY, SS
CITATION CLASSIC - THE NITROUS-OXIDE METHOD FOR THE QUANTITATIVE-DETERMINATION OF CEREBRAL BLOOD-FLOW IN MAN - THEORY, PROCEDURE AND NORMAL VALUES
CC/LIFE SCI, (39): 21-21 1981
Original Paper : Kety S S & Schmidt C F. The nitrous oxide method for the quantitative determination of cerebral blood flow in man: theory, procedure and normal values. J. Clin. Invest. 27:476-83, 1948.
A1981MF70300002

TATTERSALL, HG
CITATION CLASSIC - THE WORK OF FRACTURE AND ITS MEASUREMENT IN METALS, CERAMICS AND OTHER MATERIALS
CC/ENG TECH APPL SCI, (39): 20-20 1981
Original Paper : Tattersall H G & Tappin G. The work of fracture and its measurement in metals, ceramics and other materials. J. Mater. Sci. 1:296-301, 1966.
A1981MF70200001

PAYKEL, ES
CITATION CLASSIC - LIFE EVENTS AND DEPRESSION - A CONTROLLED-STUDY
CC/CLIN PRACTICE, (39): 20-20 1981
 Original Paper : Paykel E S, Myers J K, Dienelt M N, Klerman G L, Lindenthal J J & Pepper M P. Life events and depression: a controlled study. Arch. Gen. Psychiat. 21:753-60,1969
A1981MF70100001

RICHARDS, FA
CITATION CLASSIC - THE ESTIMATION AND CHARACTERIZATION OF PLANKTON POPULATIONS BY PIGMENT ANALYSES .2. A SPECTROPHOTOMETRIC METHOD FOR THE ESTIMATION OF PLANKTON PIGMENTS
CC/AGR BIOL ENVIRON, (39): 20-20 1981
Original Paper : Richards F A & Thompson T G. The estimation and characterization of plankton populations by pigment analyses. II. A spectrophotometric method for the estimation of plankton pigments. J. Marine Res. 11:156-72, 1952.
A1981MF70000001

NEWMAN, EI
CITATION CLASSIC - A METHOD OF ESTIMATING THE TOTAL LENGTH OF ROOT IN A SAMPLE
CC/AGR BIOL ENVIRON, (38): 18-18 1981
Original Paper : Newman E I. A method of estimating the total length of root in a sample. J. Appl. Ecol. 3:139-45, 1966.
A1981ME67200001

RIDLEY, DS
CITATION CLASSIC - CLASSIFICATION OF LEPROSY ACCORDING TO IMMUNITY - A 5-GROUP SYSTEM
CC/CLIN PRACTICE, (38): 18-18 1981
Original Paper : Ridley D S & Jopling W H. Classification of leprosy according to immunity: a five-group system. Int. J. Leprosy 34:255-73, 1966.
A1981ME67100001

VILLADSEN, J
CITATION CLASSIC - SOLUTION OF BOUNDARY-VALUE-PROBLEMS BY ORTHOGONAL COLLOCATION
CC/ENG TECH APPL SCI, (38): 18-18 1981
Original Paper : Villadsen J V & Stewart W E. Solution of boundary-value problems by orthogonal collocation. Chem. Eng. Sci, 22:1483-501, 1967.
A1981ME67000001

ATWOOD, HL
CITATION CLASSIC - CRUSTACEAN NEUROMUSCULAR MECHANISMS
CC/LIFE SCI, (38): 18-18 1981
Original Paper : Atwood H L. Crustacean neuromuscular mechanisms. Amer. Zool. 7:527-52, 1967.
A1981ME66900001

TOYODA, JI
CITATION CLASSIC - LIGHT-INDUCED RESISTANCE CHANGES IN SINGLE PHOTORECEPTORS OF NECTURUS AND GEKKO
CC/LIFE SCI, (38): 19-19 1981
Original Paper : Toyoda J, Nosaki H & Tomits T. Light-induced resistance changes in single photoreceptors of Necturus and Gekko. Vision Res. 9:453-63, 1969.
A1981ME66900002

ABRAHAM, RJ
CITATION CLASSIC - THE ANALYSIS OF NUCLEAR MAGNETIC-RESONANCE SPECTRA .5. THE ANALYSIS OF DECEPTIVELY SIMPLE SPECTRA
CC/PHYS CHEM EARTH, (38): 18-18 1981
Original Paper : Abraham R J & Bernstein H J. The analysis of nuclear magnetic resonance spectra. V. The analysis of deceptively simple spectra. Can. J. Chem. 39:216-30, 1961.
A1981ME66800001

FISHBEIN, M
CITATION CLASSIC - AN INVESTIGATION OF THE RELATIONSHIPS BETWEEN BELIEFS ABOUT AN OBJECT AND THE ATTITUDE TOWARD THAT OBJECT
CC/SOC BEHAV SCI, (38): 18-18 1981
Original Paper : Fishbein M. An investigation of the relationships between beliefs about an object and the attitude toward that object. Hum. Relat. 16:233-9, 1963.
A1981ME66700001

SUDIA, WD
CITATION CLASSIC - BATTERY-OPERATED LIGHT TRAP, AN IMPROVED MODEL
CC/AGR BIOL ENVIRON, (37): 20-20 1981
Original Paper : Sudia W D & Chamberlain R W. Battery-operated light trap, an improved model. Mosq. News 22:126-9, 1962.
A1981MD68600001

SILVERSTEIN, EA
CITATION CLASSIC - CALCULATION OF THE G-FACTOR FOR GAS SCATTERING EXPERIMENTS
CC/PHYS CHEM EARTH, (37): 20-20 1981
Original Paper : Silverstein E A. Calculation of the G factor for gas scattering experiments. Nucl. Instrum. Methods 4:53-66, 1959.
A1981MD68500001

EMERSON, TI
CITATION CLASSIC - TOWARD A GENERAL-THEORY OF THE 1ST AMENDMENT
CC/SOC BEHAV SCI, (37): 20-20 1981
Original Paper : Emerson T I. Toward a general theory of the First Amendment. Yale Law J. 72:877-956, 1963.
A1981MD68400001

KONDO, S
CITATION CLASSIC - BASE-CHANGE MUTAGENESIS AND PROPHAGE INDUCTION IN STRAINS OF ESCHERICHIA-COLI WITH DIFFERENT DNA-REPAIR CAPACITIES
CC/LIFE SCI, (37): 20-20 1981
Original Paper : Kondo S, Ichikawa H, Iwo K & Kato T. Base-change mutagenesis and prophage induction in strains of Escherichia coli with different DNA repair capacities. Genetics 66:187-217, 1970.
A1981MD68300001

JUDD, BH
CITATION CLASSIC - THE ANATOMY AND FUNCTION OF A SEGMENT OF THE X-CHROMOSOME OF DROSOPHILA-MELANOGASTER
CC/LIFE SCI, (37): 21-21 1981
Original Paper : Judd B H, Shen M W & Kaufman T C. The anatomy and function of a segment of the X chromosome of Drosophila melanogaster. Genetics 71:139-56, 1972.
A1981MD68300002

GILBERT, EG
CITATION CLASSIC - THE DECOUPLING OF MULTIVARIABLE SYSTEMS BY STATE FEEDBACK
CC/ENG TECH APPL SCI, (37): 20-20 1981
Original Paper : Gilbert E G. The decoupling of multivariable systems by state feedback. SIAM J. Contr. 7:50-63, 1969.
A1981MD68200001

LESCH, M
CITATION CLASSIC - A FAMILIAL DISORDER OF URIC-ACID METABOLISM AND CENTRAL NERVOUS-SYSTEM FUNCTION
CC/CLIN PRACTICE, (37): 20-20 1981
Original  Paper : Lesch M & Nyhan W L. A familial disorder of uric acid metabolism and central nervous system function. Amer. J. Med. 36:561-70, 1964.
A1981MD68100001

OLTMAN, PK
CITATION CLASSIC - A PORTABLE ROD-AND-FRAME APPARATUS
CC/SOC BEHAV SCI, (36): 28-28 1981
Original Paper : Oltman P K. A portable rod-and-frame apparatus. Percept. Mot. Skills 26:503-6, 1968.
A1981MC82500001

COLLMAN, JP
CITATION CLASSIC - PATTERNS OF ORGANOMETALLIC REACTIONS RELATED TO HOMOGENEOUS CATALYSIS
CC/PHYS CHEM EARTH, (36): 28-28 1981
Original Paper : Collman J P. Patterns of organometallic reactions related to homogeneous catalysis. Account. Chem. Res. 1:136-43, 1968.
A1981MC82400001

BODEY, GP
CITATION CLASSIC - QUANTITATIVE RELATIONSHIPS BETWEEN CIRCULATING LEUKOCYTES AND INFECTION IN PATIENTS WITH ACUTE-LEUKEMIA
CC/CLIN PRACTICE, (36): 28-28 1981
Original Paper : Bodey G P, Buckley M, Sathe Y S & Freireich E J. Quantitative relationships between circulating leukocytes and infection in patients with acute leukemia. Ann. Intern. Med. 64:328-40, 1966.
A1981MC82300001

TURNBULL, D
CITATION CLASSIC - THEORY OF CELLULAR PRECIPITATION
CC/ENG TECH APPL SCI, (36): 28-28 1981
Original Paper : Turnbull D. Theory of cellular precipitation. Acta Metallurgica 3:55-63, 1955.
A1981MC82200001

LIKENS, GE
CITATION CLASSIC - EFFECTS OF FOREST CUTTING AND HERBICIDE TREATMENT ON NUTRIENT BUDGETS IN THE HUBBARD BROOK WATERSHED-ECOSYSTEM
CC/AGR BIOL ENVIRON, (36): 28-28 1981
Original Paper : Likens G E, Bormann F H, Johnson N M, Fisher D W & Pierce R S. Effects of forest cutting and herbicide treatment on nutrient budgets in the Hubbard Brook watershed-ecosystem. Ecol. Monogr. 40:23-47, 1970.
A1981MC82100001

HOWARD-FLANDERS, P
CITATION CLASSIC - 3 LOCI IN ESCHERICHIA-COLI K-12 THAT CONTROL THE EXCISION OF PYRIMIDINE DIMERS AND CERTAIN OTHER MUTAGEN PRODUCTS FROM DNA
CC/LIFE SCI, (36): 28-28 1981
Original Papers: Howard-Flanders P, Boyce R P & Theriot L. Three loci in Escherichia coli K-12 that control the excision of pyrimidine dimers and certain other mutagen products from DNA. Genetics 53:1119-36, 1966.
A1981MC82000001

WILLIAMS, ED
CITATION CLASSIC - PROSTAGLANDIN SECRETION BY MEDULLARY CARCINOMA OF THE THYROID - A POSSIBLE CAUSE OF THE ASSOCIATED DIARRHEA
CC/LIFE SCI, (36): 29-29 1981
Original Paper : Williams E D, Karim S M M & Sandler M. Prostaglandin secretion by medullary carcinoma of the thyroid: a possible cause of the associated diarrhoea. Lancet 1:22-3, 1968.
A1981MC82000002

TEICH, MC
CITATION CLASSIC - INFRARED HETERODYNE-DETECTION
CC/ENG TECH APPL SCI, (35): 16-16 1981
Original Paper : Teich M C. Infrared heterodyne detection. Proc. IEEE 56:37-46, 1968.
A1981MC68800001

USSING, H
CITATION CLASSIC - ACTIVE-TRANSPORT OF SODIUM AS THE SOURCE OF ELECTRIC-CURRENT IN THE SHORT-CIRCUITED ISOLATED FROG-SKIN
CC/LIFE SCI, (35): 17-17 1981
Original Paper : Ussing H H & Zerahn K. Active transport of sodium as the source of electric current in the short-circuited isolated frog skin. Acta Physiol. Scand. 23:110-27, 1951.
A1981MC68700001

JERNE, NK
CITATION CLASSIC - PLAQUE-FORMATION IN AGAR BY SINGLE ANTIBODY-PRODUCING CELLS
CC/LIFE SCI, (35): 16-16 1981
Original Paper : Jerne N K & Noriln A A. Plaque formation in agar by single antibody- Firoducing cells. Science 140:405, 1963.
A1981MC68700002

MONTEITH, JL
CITATION CLASSIC - LIGHT-DISTRIBUTION AND PHOTOSYNTHESIS IN FIELD CROPS
CC/AGR BIOL ENVIRON, (35): 16-16 1981
Original Paper : Monteith J L. Light distribution and photosynthesis in field crops. Ann. Bot. NS 29:17-37, 1965.
A1981MC68600001

EDWARDS, W
CITATION CLASSIC - BAYESIAN STATISTICAL-INFERENCE FOR PSYCHOLOGICAL-RESEARCH
CC/SOC BEHAV SCI, (35): 16-16 1981
Original Paper : Edwards W, Lindman H & Savage L J. Bayesian statistical inference for psychological research. Psychol. Rev. 70:193-242, 1963.
A1981MC68500001

SCOTT, OCA
CITATION CLASSIC - THE CONCENTRATION OF OXYGEN DISSOLVED IN TISSUES AT THE TIME OF IRRADIATION AS A FACTOR IN RADIOTHERAPY
CC/CLIN PRACTICE, (35): 16-16 1981
Original Paper : Gray L H, Conger A D, Ebert M, Hornsey S & Scott O C A. The concentration of oxygen dissolved in tissues at the time of irradiation as a factor in radiotherapy. Brit. J. Radiol. 26:638-48, 1953.
A1981MC68400001

COHEN, ER
CITATION CLASSIC - OUR KNOWLEDGE OF THE FUNDAMENTAL CONSTANTS OF PHYSICS AND CHEMISTRY IN 1965
CC/PHYS CHEM EARTH, (35): 16-16 1981
Original Paper : Cohen E R & DuMond J W M. Our knowledge of the fundamental constants of physics and chemistry in 1965. Rev. Mod. Phys. 37:537-94, 1965.
A1981MC68300001

O'BRIEN, TP
CITATION CLASSIC - THE CYTOLOGY OF CELL-WALL FORMATION IN SOME EUKARYOTIC CELLS
CC/AGR BIOL ENVIRON, (34): 16-16 1981
Original Paper : O'Brien T P. The cytology of cell-wall formation in some eukaryotic cells. Bot. Rev. 38:87-118, 1972.
A1981MB17000001

LONDON, WT
CITATION CLASSIC - AN EPIDEMIC OF HEPATITIS IN A CHRONIC-HEMODIALYSIS UNIT - AUSTRALIA-ANTIGEN AND DIFFERENCES IN HOST RESPONSE
CC/CLIN PRACTICE, (34): 16-16 1981
Original Paper : London W T, DiFiglia M, Sutnick A I & Blumberg B S. An epidemic of hepatitis in a chronic-hemodialysis unit: Australia antigen and differences in host response. N. Engl. J. Med. 281:571-8, 1969.
A1981MB16900001

PAPADAKIS, EP
CITATION CLASSIC - ULTRASONIC PHASE-VELOCITY BY THE PULSE-ECHO-OVERLAP METHOD INCORPORATING DIFFRACTION PHASE CORRECTIONS
CC/ENG TECH APPL SCI, (34): 16-16 1981
Original Paper : Papadakis E P. Ultrasonic phase velocity by the pulse-echo-overlap method incorporating diffraction phase corrections. J. Acoust. Soc. Amer. 42:1045-51, 1967.
A1981MB16800001

BANDURA, A
CITATION CLASSIC - SOCIAL-LEARNING AND PERSONALITY-DEVELOPMENT
CC/SOC BEHAV SCI, (34): 16-16 1981
Original Paper : Bandura A & Walters R H. Social learning and personality development. New York: Holt, Rinehart & Winston, 1963.
A1981MB16700001

DALZIEL, K
CITATION CLASSIC - INITIAL STEADY-STATE VELOCITIES IN THE EVALUATION OF ENZYME-COENZYME-SUBSTRATE REACTION-MECHANISMS
CC/LIFE SCI, (34): 16-16 1981
Original Paper : Dalziel K. Initial steady state velocities in the evaluation of enzymecoenzymesubstrate reaction mechanisms. Acta Chem. Scand. 11:1706-23, 1957.
A1981MB16600001

MESSIER, B
CITATION CLASSIC - CELL-PROLIFERATION AND MIGRATION AS REVEALED BY AUTORADIOGRAPHY AFTER INJECTION OF THYMIDINE-H3 INTO MALE-RATS AND MICE
CC/LIFE SCI, (34): 17-17 1981
Original Paper : Messier B & Leblond C P. Cell proliferation and migration as revealed by radioautography after injection of thymidine-H3 into male rats and mice. Amer. J. Anat. 106:247-85, 1960.
A1981MB16600002

DESCLAUX, JP
CITATION CLASSIC - RELATIVISTIC DIRAC-FOCK EXPECTATION VALUES FOR ATOMS WITH Z=1 TO Z=120
CC/PHYS CHEM EARTH, (34): 16-16 1981
Original Paper : Desclaux J P. Relativistic Dirac-Fock expectation values for atoms with Z = l to Z=120. Atom. Data Nucl. Data Tables 12:311-406, 1973.
A1981MB16500001

BEARE-ROGERS, JL
CITATION CLASSIC - CARDIAC LIPID CHANGES IN RATS FED OILS CONTAINING LONG-CHAIN FATTY-ACIDS
CC/AGR BIOL ENVIRON, (33): 18-18 1981
Original Paper : Beare-Rogers J L, Nera E A & Heggtveit H A. Cardiac lipid changes in rats fed oils containing long-chain fatty acids. Can. Inst. Food Technol. J. 4:120-4, 1971.
A1981MA26000001

HAMILTON, M
CITATION CLASSIC - A RATING-SCALE FOR DEPRESSION
CC/CLIN PRACTICE, (33): 18-18 1981
Original Paper : Hamilton M. A rating scale for depression. J. Neurol. Neurosurg. Psychiat. 23:56-62, 1960.
A1981MA25900001

HILLERT, M
CITATION CLASSIC - A SOLID-SOLUTION MODEL FOR INHOMOGENEOUS SYSTEMS
CC/ENG TECH APPL SCI, (33): 18-18 1981
Original Paper : Hillert M. A solid-solution model for inhomogeneous systems. Acta Metallurgica 9:525-35, 1961.
A1981MA25800001

HIRT, B
CITATION CLASSIC - SELECTIVE EXTRACTION OF POLYOMA DNA FROM INFECTED-MOUSE CELL-CULTURES
CC/LIFE SCI, (33): 18-18 1981
Original Paper : Hirt B. Selective extraction of polyoma DNA from infected mouse cell cultures. J. Mol. Biol. 26:365-9, 1967.
A1981MA25700001

PANYIM, S
CITATION CLASSIC - HIGH-RESOLUTION ACRYLAMIDE-GEL ELECTROPHORESIS OF HISTONES
CC/LIFE SCI, (33): 19-19 1981
Original Paper : Panyim S & Chalkley R. High resolution acrylamide gel electrophoresis of histones. Arch. Biochem. Biophys. 130:337-46, 1969.
A1981MA25700002

KOLOS, W
CITATION CLASSIC - POTENTIAL-ENERGY CURVES FOR THE X-SIGMA-GH, B3-SIGMA-U+, AND C1-TAW-4 STATES OF THE HYDROGEN MOLECULE
CC/PHYS CHEM EARTH, (33): 18-18 1981
Original Paper : Kolos W & Wolniewicz L. Potential-energy curves --- states of the hydrogen molecule. J. Chem. Phys. 43:2429-41, 1965.
A1981MA25600001

BRYAN, JH
CITATION CLASSIC - MODELS AND HELPING - NATURALISTIC STUDIES IN AIDING BEHAVIOR
CC/SOC BEHAV SCI, (33): 18-18 1981
Original Paper : Bryan J H & Test M A. Models and helping: naturalistic studies in aiding behavior. J. Personal. Soc. Psychol. 6:400-7, 1967.
A1981MA25500001

SCHAEFER, T
CITATION CLASSIC - PROTON MAGNETIC-RESONANCE SHIFTS AND THE ELECTRON-DENSITY DISTRIBUTION IN AROMATICSYSTEMS
CC/PHYS CHEM EARTH, (32): 16-16 1981
Original Paper : Schaefer T & Schneider W G. Proton magnetic resonance shifts and the electron density distribution in aromatic systems. Can. J. Chem. 41:966-82, 1963.
A1981LZ52400001

REYNOLDS, ES
CITATION CLASSIC - THE USE OF LEAD CITRATE AT HIGH PH AS AN ELECTRON-OPAQUE STAIN IN ELECTRON-MICROSCOPY
CC/LIFE SCIENCES (32) 16-16 1981
Original Paper : Reynolds E S. The use of lead citrate at high pH as an electron-opaque stain in electron microscopy. J. Cell Biol. 17:208-12, 1963.
A1981LZ52300001

PEARSE, AGE
CITATION CLASSIC - HISTOCHEMISTRY, THEORETICAL AND APPLIED
CC/LIFE SCI, (32): 17-17 1981
Original Paper : Pearse A G E. Histochemistry, theoretical and applied. .London:Churchill. 1960.
A1981LZ52300002

CLORFEINE, AS
CITATION CLASSIC - A THEORY FOR THE HIGH-EFFICIENCY MODE OF OSCILLATION IN AVALANCHE-DIODES
CC/ENG TECH APPL SCI, (32): 16-16 1981
Original Paper : Clorfeine A S, Ikob R J & Napoli L S. A theory for the high-efficiency mode of oscillation in avalanche diodes. RCA Rev. 30:397-421, 1969.
A1981LZ52200001

HYNES, HBN
CITATION CLASSIC - THE INVERTEBRATE FAUNA OF A WELSH MOUNTAIN STREAM
CC/AGR BIOL ENVIRON, (32): 16-16 1981
Original Paper : Hynes H B N. The invertebrate fauna of a Welsh mountain stream. Arch. Hydrobiol. 57:344-88, 1961.
A1981LZ52100001

FAVALORO, RG
CITATION CLASSIC - SAPHENOUS-VEIN AUTOGRAFT REPLACEMENT OF SEVERE SEGMENTAL CORONARY-ARTERY OCCLUSION
CC/CLIN PRACTICE, (32): 16-16 1981
Original Paper : Favaloro R G. Saphenous vein autograft replacement of severe segmental coronary artery occlusion. Operative technique. Ann. Thorac. Surg. 5:334-9, 1968.
A1981LZ52000001

KATKIN, ES
CITATION CLASSIC - INSTRUMENTAL-CONDITIONING OF AUTONOMICALLY MEDIATED BEHAVIOR - THEORETICAL AND METHODOLOGICAL ISSUES
CC/SOC BEHAV SCI, (32): 16-16 1981
Original Paper : Katkin E S & Murray E N. Instrumental conditioning of autonomically mediated behavior: theoretical and methodological issues. Psychol. Bull. 70:52-68, l968.
A1981LZ51900001

BIXON, M
CITATION CLASSIC - INTRAMOLECULAR RADIATIONLESS TRANSITIONS
CC/PHYS CHEM EARTH, (31): 24-24 1981
Original Paper : Bixon M & Jortner J. Intramolecular radiationless transitions. J. Chem. Phys. 48:715-26, 1968.
A1981LY47300001

BOLLES, RC
CITATION CLASSIC - THE ONTOGENY OF BEHAVIOR IN THE ALBINO-RAT
CC/SOC BEHAV SCI, (31): 24-24 1981
Original Paper : Bolles R C & Woods P J. The ontogeny of behaviour in the albino rat. Anim. Behav. 12:427-41, 1964.
A1981LY47400001

LOWRY, OH
CITATION CLASSIC - THE DETERMINATION OF INORGANIC-PHOSPHATE IN THE PRESENCE OF LABILE PHOSPHATE-ESTERS
CC/LIFE SCI, (31): 25-25 1981
Original Paper : Lowry O H & Lopez J A. The determination of inorganic phosphate in the presence of labile phosphate esters. J. Biol. Chem. 162:421-8, 1946.
A1981LY47200001

RANDLE, PJ
CITATION CLASSIC - THE GLUCOSE FATTY-ACID CYCLE - ITS ROLE IN INSULIN SENSITIVITY AND THE METABOLIC DISTURBANCES OF DIABETES-MELLITUS
CC/LIFE SCI, (31): 24-24 1981
Original Paper : Randle P J, Garland P B, Hales C N & Newsholme E A. The glucose fattyacid cycle: its role in insulin sensitivity and the metabolic disturbances of diabetes mellitus. Lancet 1:785-9, 1963.
A1981LY47200002

DIRECTOR, SW
CITATION CLASSIC - THE GENERALIZED ADJOINT NETWORK AND NETWORK SENSITIVITIES CC/ENG TECH APPL SCI, (31): 24-24 1981
Original Paper : Director S W & Rohrer R A. The generalized adjoint network and network sensitivities. IEEE Trans. Circuit Theory CT-16:318-23, 1969.
A1981LY47100001

GALSTON, AW
CITATION CLASSIC - THE ADAPTIVE FORMATION AND PHYSIOLOGICAL SIGNIFICANCE OF INDOLEACETIC-ACID OXIDASE
CC/AGR BIOL ENVIRON, (31): 24-24 1981
Original Paper : Galston A W & Dalberg L Y. The adaptive formation and physiological significance of indoleacetic acid oxidase. Amer. J. Bot. 41:373-80, 1954.
A1981LY46900001

ROBINSON, BF
CITATION CLASSIC - RELATION OF HEART-RATE AND SYSTOLIC BLOOD-PRESSURE TO THE ONSET OF PAIN INANGINA-PECTORIS
CC/CLIN PRACTICE, (31): 24-24 1981
Original Paper : Robinson B F. Relation of heart rate and systolic blood pressure to the onset of pain in angina pectoris. Circulation 35:1073-83, 1967.
A1981LY47000001

JACOBS, WP
CITATION CLASSIC - THE ROLE OF AUXIN IN DIFFERENTIATION OF XYLEM AROUND A WOUND
CC/AGR BIOL ENVIRON, (30): 22-22 1981
Original Paper : Jacobs W P. The role of auxin in differentiation of xylem around a wound. Amer. J. Bot. 39:301-9, 1952.
A1981LX51800001

FOLEY, GE
CITATION CLASSIC - CONTINUOUS CULTURE OF HUMAN-LYMPHOBLASTS FROM PERIPHERAL-BLOOD OF A CHILD WITHACUTE-LEUKEMIA
CC/CLIN PRACTICE, (30): 22-22 1981
Original Paper : Foley G E, Lazarus H, Farber S, Uzman B G, Boone B A & McCarthy R E. Continuous culture of human lymphoblasts from peripheral blood of a child with acute leukemia. Cancer 18:522-9, 1965.
A1981LX51700001

PETERLIN, A
CITATION CLASSIC - MOLECULAR-MODEL OF DRAWING POLYETHYLENE AND POLYPROPYLENE CC/ENG TECH APPL SCI, (30): 22-22 1981
Original Paper : Peterlin A. Molecular model of drawing polyethylene and polypropylene. J. Mater. Sci. 6:490-508, 1971.
A1981LX51600001

CLEAVER, JE
CITATION CLASSIC - DEFECTIVE REPAIR REPLICATION OF DNA IN XERODERMA PIGMENTOSUM
CC/LIFE SCI, (30): 22-22 1981
Original Paper : Cleaver J E. Defective repair replication of DNA in xeroderma pigmentosum. Nature 218:652-6, 1968.
A1981LX51500001

HUEBNER, RJ 
CITATION CLASSIC - ONCOGENES OF RNA TUMOR-VIRUSES AS DETERMINANTS OF CANCER
CC/LIFE SCI, (30): 23-23 1981
Original Paper: Huebner R J & Todaro G J. Oncogenes of RNA tumor viruses as determinants of cancer. Proc. Nat. Acad. Sci. US 64:1087-94, 1969.
A1981LX51500002

SMITH, IWM; HANCOCK, G
CITATION CLASSIC - QUENCHING OF INFRARED CHEMI-LUMINESCENCE .1. THE RATES OF DEEXCITATION OF CO(4 LESS-THAN-OR-EQUAL-TO 13) BY HE,CO, NO, N-2 O-2 OCS, N2O AND CO2
CC/PHYS CHEM EARTH, (30): 22-22 1981
Original Paper : Hancock G & Smith I W M. Quenching of infrared chemiluminescence. 1. The rates of de-excitation of by He, CO, NO, N2, O2, OCS, N2O, and CO2. Appl. Optics 10:1827-42, 1971.
A1981LX51400001

MOWRER, OH
CITATION CLASSIC - LEARNING-THEORY AND PERSONALITY DYNAMICS
CC/SOC BEHAV SCI, (30): 22-22 1981
Original Paper: Mowrer O H. Learning theory and personality dynamics. New York: Ronald Press, 1950.
A1981LX51300001

DUNHAM, PJ
CITATION CLASSIC - CONTRASTED CONDITIONS OF REINFORCEMENT - A SELECTIVE CRITIQUE
CC/SOC BEHAV SCI, (29): 18-18 1981
Original Paper: Dunham P J. Contrasted conditions of reinforcement: a selective critique. Psychol. Bull. 69:295-315, 1968.
A1981LW62300001

TRIVELPIECE, AW
CITATION CLASSIC - SPACE-CHARGE WAVES IN CYLINDRICAL PLASMA COLUMNS
CC/PHYS CHEM EARTH, (29): 18-18 1981
Original Paper: Trivelpiece A W & Gould R W. Space charge waves in cylindrical plasma columns. J. Appl. Phys. 30:1784-93, 1959.
A1981LW62000001

THEORELL, H; BONNICHSEN, R
CITATION CLASSIC - STUDIES ON LIVER ALCOHOL-DEHYDROGENASE .1. EQUILIBRIA AND INITIAL REACTION VELOCITIES
CC/LIFE SCI, (29): 18-18 1981
Original Paper: Theorell H & Bonnichsen R. Studies on liver alcohol dehydrogenase, I. Equilibria and initial reaction velocities. Acta Chem. Scand. 5:1105-26, 1951.
A1981LW61800001

SANFORD, KK
CITATION CLASSIC - THE GROWTH-INVITRO OF SINGLE ISOLATED TISSUE-CELLS
CC/LIFE SCI, (29): 19-19 1981
Original Paper: Stanford K K, Etrie W R & Likely G D. The growth in vitro of single isolated tissue cells. J. Nat. Cancer Inst. 9:229-46, 1948.
A1981LW61800002

LUENBERGER, DG
CITATION CLASSIC - OBSERVERS FOR MULTIVARIABLE SYSTEMS
CC/ENG TECH APPL SCI, (29): 18-18 1981
Original Paper: Luenberger D G. Observers for multivariable systems. IEEE Trans. Automat. Contr. AC-11:190-7, 1966
A1981LW61500001

SCHILDKRAUT, JJ
CITATION CLASSIC - THE CATECHOLAMINE HYPOTHESIS OF AFFECTIVE-DISORDERS - A REVIEW OF SUPPORTING EVIDENCE
CC/CLIN PRACTICE, (29): 18-18 1981
Original Paper:  Schildkraut J J. The catecholamine hypothesis of affective disorders: a review of supporting evidence. Amer. J. Psychiat. 122:609-22, 1965.
A1981LW61300001

HEWITT, EJ
CITATION CLASSIC - ASSIMILATORY NITRATE-NITRITE REDUCTION
CC/AGR BIOL ENVIRON, (29): 18-18 1981
Original Paper: Hewitt E J. Assimilatory nitrate-nitrite reduction. Annu. Rev. Plant Physiol. 26:73-100, 1975.
A1981LW60900001

HIRST, AE
CITATION CLASSIC - DISSECTING ANEURYSM OF THE AORTA - A REVIEW OF 505 CASES
CC/CLIN PRACTICE, (28): 18-18 1981  Original Paper : Hirst A E, Jr., Johns V J, Jr. & Kime S W, Jr. Dissecting aneurysm of the aorta: a review of 505 cases. Medicine 37:217-79, 1958.
A1981LV58500001

RANSON, SL
CITATION CLASSIC - CRASSULACEAN ACID METABOLISM
CC/AGR BIOL ENVIRON, (28): 18-18 1981
Original Paper : Ranson S L & Thomas M. Crassulacean acid metabolism. Annu. Rev. Plant Physiol. 11:81-110, 1960.
A1981LV58200001

NEWHOUSE, VL
CITATION CLASSIC - APPLIED SUPERCONDUCTIVITY
CC/ENG TECH APPL SCI, (28): 18-18 1981
Original Paper :  Newhouse V L. Applied superconductivity. New York: Wiley, 1964.
A1981LV57800001

GOODWIN, TW
CITATION CLASSIC - THE SPECTROPHOTOMETRIC DETERMINATION OF TYROSINE AND TRYPTOPHAN IN PROTEINS
CC/LIFE SCI, (28): 18-18 1981
Original Paper : Goodwin T W & Morton R A. The spectrophotometric determination of tyrosine and tryptophan in proteins. Biochemical J. 40:628-32, 1946.
A1981LV57700001

HODGKIN, AL; HUXLEY, AF
CITATION CLASSIC - QUANTITATIVE DESCRIPTION OF MEMBRANE CURRENT AND ITS APPLICATION TO CONDUCTION AND EXCITATION IN NERVE
CC/LIFE SCI, (28): 19-19 1981
Origiinal Paper : Hodgkin A L & Huxley A F. A quantitative description of membrane current and its application to conduction and excitation in nerve. J. Physiol. London 117:500-44, 1952.
A1981LV57700002

BOSTROM, K
CITATION CLASSIC - PRECIPITATES FROM HYDROTHERMAL EXHALATIONS ON THE EAST PACIFIC RISE
CC/PHYS CHEM EARTH, (28): 18-18 1981
Original Paper : Boström K & Peterson M N A. Precipitates from hydrothermal exhalations on the East Pacific Rise. Econ. Geol. 61:1258-65, 1966.
A1981LV57600001

ATTHOWE, JM
CITATION CLASSIC - PRELIMINARY-REPORT ON THE APPLICATION OF CONTINGENT REINFORCEMENT PROCEDURES  (TOKEN-ECONOMY) ON A CHRONIC PSYCHIATRIC-WARD
CC/SOC BEHAV SCI, (28): 18-18 1981
Original Paper : Atthowe J M,Jr. & Krasner L. Preliminary report on the application of contingent reinforcement procedures (token economy) on a "chronic" psychiatric ward. J. Abnormal Psychol. 73:37-43, 1968.
A1981LV57500001

PHILIP, JR
CITATION CLASSIC - THEORY OF INFILTRATION
CC/AGR BIOL ENVIRON, (27): 18-18 1981
Original Paper : Philip J R. Theory of infiltration. Advan. Hydrosci. 5:215-96, 1969.
A1981LU71500001

WEINER, IM
CITATION CLASSIC - RENAL TUBULAR MECHANISMS FOR EXCRETION OF ORGANIC-ACIDS AND BASES
CC/CLIN PRACTICE, (27): 18-18 1981  Original Paper : Weiner I M & Mudge G H. Renal tubular mechanisms for excretion of organic acids and bases. Amer. J. Med. 36:74362, 1964.
A1981LU70800001

MAICKEL, RP
CITATION CLASSIC - A METHOD FOR THE DETERMINATION OF SEROTONIN AND NOREPINEPHRINE IN DISCRETE AREAS OF RAT-BRAIN
CC/LIFE SCI, (27): 18-18 1981
Original Paper: Maickel R P, Cox R H, Jr., Saillant J & Miller F P. A method for the determination of serotonin and norepinephrine in discrete areas of rat brain. Int. J. Neuropharmacol. 7:275-82, 1968.
A1981LU68900001

KORN, ED
CITATION CLASSIC - CLEARING FACTOR, A HEPARIN-ACTIVATED LIPOPROTEIN-LIPASE .1. ISOLATION AND CHARACTERIZATION OF THE ENZYME FROM NORMAL RAT-HEART
CC/LIFE SCI, (27): 19-19 1981
\Original Paper : Korn E D. Clearing factor, a heparin-activated lipoprotein lipase. I. Isolation and characterization of the enzyme from normal rat heart. J. Biol. Chem. 215:1-14, 1955.
A1981LU68900002

SAREL, HZ
CITATION CLASSIC - CYLINDRICAL CAPACITOR AS AN ANALYZER .1. NON-RELATIVISTIC PART
CC/ENG TECH APPL SCI, (27): 18-18 1981
Original Paper : Sar-EI H Z. Cylindrical capacitor as an analyzer. I. Nonrelativistic part. Rev. Sci. Instr. 38:1210-16, 1967.
A1981LU69800001

PARKER, AJ
CITATION CLASSIC - THE EFFECTS OF SOLVATION ON THE PROPERTIES OF ANIONS IN DIPOLAR APROTIC-SOLVENTS
CC/PHYS CHEM EARTH, (27): 18-18 1981
Original Paper : Parker A J. The effects of solvation on the properties of anions in dipolar aprotic solvents. Quart. Rev. Chem. Soc. 16:163-87, 1962.
A1981LU68300001

EXLINE, RV
CITATION CLASSIC - VISUAL BEHAVIOR IN A DYAD AS AFFECTED BY INTERVIEW CONTENT AND SEX OF RESPONDENT
CC/SOC BEHAV SCI, (27): 18-18 1981
Original Paper : Exline R, Gray D & Schuette D. Visual behavior in a dyad as affected by interview content and sex of respondent. J. Personal. Soc. Psychol. 1:201-9, 1965.
A1981LU67800001

BANCROFT, JB
CITATION CLASSIC - THE SELF-ASSEMBLY OF SPHERICAL PLANT-VIRUSES
CC/AGR BIOL ENVIRON, (26): 18-18 1981
Original Paper : Bancroft J B. The self-assembly of spherical plant viruses. Advan. Virus Res. 16:99-134, 1970.
A1981LT86800001

YOUNG, DS
CITATION CLASSIC - METHOD FOR THE AUTOMATIC-DETERMINATION OF SERUM IRON
CC/CLIN PRACTICE, (26): 18-18 1981
Original Paper : Young D S & Hicks J M. Method for the automatic determination of serum iron. J. Clin. Pathol. 18:98-102, 1965.
A1981LT86700001

TANI, T
CITATION CLASSIC - CALCULATION OF THE ELECTRONIC-ENERGY LEVELS OF VARIOUS PHOTOGRAPHIC SENSITIZING AND DESENSITIZING DYES IN EMULSIONS
CC/ENG TECH APPL SCI, (26): 18-18 1981
Original Paper : Tani T & Kikuchi S. Calculation of the electronic energy levels of various photographic sensitizing and desensitizing dyes in emulsions. Photogr. Sci. Eng. 11:129-44, 1967.
A1981LT86600001

LEVY, HB
CITATION CLASSIC - A SIMPLE CHROMATOGRAPHIC METHOD FOR PREPARATION OF GAMMA-GLOBULIN
CC/LIFE SCI, (26): 18-18 1981
Original Paper : Levy H B & Sober H A. A simple chromatographic method for preparation of gamma globulin. Proc. Soc. Exp. Biol. Med. 103:250-2, 1960.
A1981LT86500001

MANTEL, N
CITATION CLASSIC - STATISTICAL ASPECTS OF THE ANALYSIS OF DATA FROM RETROSPECTIVE STUDIES OF DISEASE
CC/LIFE SCI, (26): 19-19 1981
Original Paper : Mantel N & Haenszel W. Statistical aspects of the analysis of data from retrospective studies of disease. J. Nat. Cancer Inst. 22:719-48, 1959.
A1981LT86500002

GINGERICH, O
CITATION CLASSIC - THE HARVARD-SMITHSONIAN REFERENCE ATMOSPHERE
CC/PHYS CHEM EARTH, (26): 18-18 1981
Original Paper : Gingerich O, Noyes R W, Kalkofen W & Cuny Y. The Harvard-Smithsonian reference atmosphere. Sol. Phys. 18:347-65, 1971.
A1981LT86400001

ROPARTZ, P
CITATION CLASSIC - THE RELATION BETWEEN OLFACTORY STIMULATION AND AGGRESSIVE-BEHAVIOR IN MICE
CC/SOC BEHAV SCI, (26): 18-18 1981
Original Paper : Ropartz P. The relation between olfactory stimulation and aggressive behaviour in mice. Anim. Behav. 16:97-100, 1968.
A1981LT86300001

ENNOS, AE
CITATION CLASSIC - DISPLACEMENT MEASUREMENT FROM DOUBLE-EXPOSURE LASER PHOTOGRAPHS
CC/ENG TECH APPL SCI, (25): 18-18 1981
Original Paper : Archbold E & Ennos A E. Displacement measurement from double-exposure laser photographs. Optica Acta 19:253-71, 1972.
A1981LS97300001

RADFORD, PJ
CITATION CLASSIC - GROWTH ANALYSIS FORMULAS - THEIR USE AND ABUSE
CC/AGR BIOL ENVIRON, (25): 18-18 1981
Original Paper : Radford P J. Growth analysis formulae—their use and abuse. Crop Sci. 7:171-5, 1967.
A1981LS97200001

KLOPPER, A
CITATION CLASSIC - A METHOD FOR THE DETERMINATION OF URINARY PREGNANEDIOL
CC/CLIN PRACTICE, (25): 18-18 1981
Original Paper : Klopper A, Michie E A & Brown I B. A method for the determination of urinary pregnanediol. J. Endocrinology 12:209-19, 1955.
A1981LS97100001

MCKENZIE, HA
CITATION CLASSIC - MILK-PROTEINS
CC/LIFE SCI, (25): 18-18 1981
Original Paper : McKenzie H A. Milk proteins. Advan. Prot. Chem. 22:55-234, 1967.
A1981LS97000001

MELENDEZ, LV
CITATION CLASSIC - HERPESVIRUS-SAIMIRI .2. EXPERIMENTALLY INDUCED MALIGNANT-LYMPHOMA IN PRIMATES
CC/LIFE SCI, (25): 19-19 1981
Original Paper : Meléndez L V, Hunt R D, Daniel M D, García F G & Fraser C E O. Herpesvirus saimiri. II. Experimentally induced malignant lymphoma in primates. Lab. Anim. Care 19:378-86. 1969.
A1981LS97000002

HIRTH, JP
CITATION CLASSIC - THEORY OF DISLOCATIONS
CC/PHYS CHEM EARTH, (25): 18-18 1981  ]
Original Paper : Hirth J P & Lothe J. Theory of dislocations. New York: McGraw-Hill, 1968. 780 p.
A1981LS96900001

WAHLER, RG
CITATION CLASSIC - MOTHERS AS BEHAVIOR THERAPISTS FOR THEIR OWN CHILDREN
CC/SOC BEHAV SCI, (25): 18-18 1981
Original Paper : Wahler R G, Winkel G H, Peterson R F & Morrison D C. Mothers as behavior therapists for their own children. Behav. Res. Ther. 3:113-24, 1965.
A1981LS96800001

MOUNT, DI
CITATION CLASSIC - A SIMPLIFIED DOSING APPARATUS FOR FISH TOXICOLOGY STUDIES
CC/AGR BIOL ENVIRON, (24): 16-16 1981
Original Paper : Mount D I & Brungs W A. A simplified dosing apparatus for fish toxicology studies. Water Res. 1:21-9, 1967.
A1981LS07900001

TAIT, JF
CITATION CLASSIC - REVIEW - THE USE OF ISOTOPIC STEROIDS FOR THE MEASUREMENT OF PRODUCTION-RATES INVIVO
CC/CLIN PRACTICE, (24): 16-16 1981
Original Paper : Tait J F. Review: the use of isotopic steroids for the measurement of production rates in vivo. J. Clin. Endocrinol. Metab. 23:1285-97, 1963.
A1981LS07800001

PERSONICK, SD
CITATION CLASSIC - TIME DISPERSION IN DIELECTRIC WAVE-GUIDES
CC/ENG TECH APPL SCI, (24): 16-16 1981
Original Paper : Personick S D. Time dispersion in dielectric waveguides. Bell Syst. Tech. J. 50:843-59, 1971.
A1981LS07700001

COSTNER, HL
CITATION CLASSIC - CRITERIA FOR MEASURES OF ASSOCIATION
CC/SOC BEHAV SCI, (24): 16-16 1981
Original Paper : Costner H L. Criteria for measures of association. Amer. Sociol. Rev. 30:341-53, 1965.
A1981LS07600001

MCLACHLAN, AD
CITATION CLASSIC - SELF-CONSISTENT FIELD-THEORY OF THE ELECTRON-SPIN DISTRIBUTION IN PI-ELECTRON RADICALS
CC/PHYS CHEM EARTH, (24): 16-16 1981
Original Paper : McLachlan A D. Self-consistent field theory of the electron spin distribution in p-electron radicals. Molec. Phys. 3:233-52, 1960.
A1981LS07500001

ARMITAGE, P
CITATION CLASSIC - RESTRICTED SEQUENTIAL-PROCEDURES
CC/LIFE SCI, (24): 16-16 1981
Original Paper : Armitage P. Restricted sequential procedures. Biometrika 44:9-26, 1957.
A1981LS07400001

BROSS, IDJ
CITATION CLASSIC - HOW TO USE RIDIT ANALYSIS
CC/LIFE SCI, (24): 17-17 1981
Original Paper : Bross I D J. How to use ridit analysis. Biometrics 14:18-38, 1958.
A1981LS07400002

ZUBAREV, DN
CITATION CLASSIC - DOUBLE-TIME GREEN-FUNCTIONS IN STATISTICAL PHYSICS
CC/PHYS CHEM EARTH, (23): 14-14 1981
Original Paper : Zubarev D N. Double-time Green Functions in statistical physics. Usp. Fiz. Nauk. SSSR 71:71-116, 1960; Sov. Phys. Usp. 3:320-45, 1960
A1981LR46000001

HELLSTROM, I; HELLSTROM, KE ;
CITATION CLASSIC - DEMONSTRATION OF CELL-MEDIATED-IMMUNITY TO HUMAN NEOPLASMS OF VARIOUS HISTOLOGICAL TYPES
CC/LIFE SCI, (23): 14-14 1981
Original Paper : Hellström I, Hellström K E, Sjögren H O & Warner G A. Demonstration of cell-mediated immunity to human neoplasms of various histological types. Int. J. Cancer 7:1-16, 1971.
A1981LR45900001

RADLOFF, RJ
CITATION CLASSIC - A DYE-BUOYANT-DENSITY METHOD FOR THE DETECTION AND ISOLATION OF CLOSED CIRCULAR DUPLEX DNA - THE CLOSED CIRCULAR DNA IN HELA-CELLS
CC/LIFE SCI, (23): 15-15 1981
Original Paper :  Radloff R, Bauer W & Vinograd J. A dye-buoyant-density method for the detection and isolation of closed circular duplex DNA: the closed circular DNA in HeLa cells. Proc. Nat. Acad. Sci. US 57:1514-21, 1967.
A1981LR45900002

NEWCOMB, RW
CITATION CLASSIC - LINEAR MULTIPORT SYNTHESIS
CC/ENG TECH APPL SCI, (23): 14-14 1981
Original Paper : Newcomb R W. Linear multiport synthesis. New York: McGraw-Hill, 1966.
A1981LR45700001

KISSMEYER-NIELSEN, F
CITATION CLASSIC - HYPERACUTE REJECTION OF KIDNEY ALLOGRAFTS, ASSOCIATED WITH PRE-EXISTING HUMORAL ANTIBODIES AGAINST DONOR CELLS
CC/CLIN PRACTICE, (23): 14-14 1981
Original Paper : Kissmeyer-Nielsen F, Olsen S, Posborg Petersen V & Fjeldborg O. Hyperacute rejection of kidney allografts, associated with pre-existing humoral antibodies against donor cells. Lancet 2:662-5, 1966.
A1981LR45500001

CODY, ML
CITATION CLASSIC - A GENERAL-THEORY OF CLUTCH SIZE
CC/AGR BIOL ENVIRON, (23): 14-14 1981
Original Paper : Cody M L. A general theory of clutch size. Evolution 20:174-84, 1966.
A1981LR45300001

WING, JK
CITATION CLASSIC - RELIABILITY OF A PROCEDURE FOR MEASURING AND CLASSIFYING PRESENT PSYCHIATRIC STATE
CC/SOC BEHAV SCI, (23): 14-14 1981
Original Paper : Wing J K, Birley J L T, Cooper J E, Graham P & Isaacs A D. Reliability of a procedure for measuring and classifying “present psychiatric state.” Brit. J. Psychiat. 113:499-515, 1967.
A1981LR45000001

MITCHELL, HK
CITATION CLASSIC - NEUROSPORA .5. A SYNTHETIC MEDIUM FAVORING SEXUAL REPRODUCTION
CC/AGR BIOL ENVIRON, (22): 24-24 1981
Original Paper : Westergaard M & Mitchell H K. Neurospora V. A synthetic medium favoring sexual reproduction. Amer. J. Bot. 34:573-7, 1947.
A1981LQ23100001

BENSON, SW
CITATION CLASSIC - BOND-ENERGIES
CC/PHYS CHEM EARTH, (22): 24-24 1981
Original Paper : Benson S W. Bond energies. J. Chem. Educ. 42:502-18, 1965.
A1981LQ22700001

FRENCH, JD
CITATION CLASSIC - A NEURAL BASIS OF THE ANESTHETIC STATE
CC/CLIN PRACTICE, (22): 24-24 1981
Original Paper : French J D, Verzeano M & Magoun H W. A neural basis of the anesthetic state. Arch. Neurol. Psychiat. 69:519-29, 1953.
A1981LQ22400001

PLASS, GN
CITATION CLASSIC - MODELS FOR SPECTRAL BAND ABSORPTION
CC/ENG TECH APPL SCI, (22): 24-24 1981
Original Paper : Plass G N. Models for spectral band absorption. J. Opt. Soc. Amer. 48:690-703, 1958.
A1981LQ21800001

GLENNER, GG
CITATION CLASSIC - THE HISTOCHEMICAL-DEMONSTRATION OF MONOAMINE-OXIDASE ACTIVITY BY TETRAZOLIUM SALTS
CC/LIFE SCI, (22): 24-24 1981
Original Paper : Gleaner G G, Burner H J & Brown G W, Jr. The histochemical demonstration of monoamine oxidase activity by tetrazolium salts. J. Histochem. Cytochem. 5:591-600, 1957.
A1981LQ21400001

BORISY, GG
CITATION CLASSIC - THE MECHANISM OF ACTION OF COLCHICINE - BINDING OF COLCHICINE-H-3 TO CELLULAR PROTEIN
CC/LIFE SCI, (22): 25-25 1981
Original Paper : Borisy G G & Taylor E W. The mechanism of action of colchicinc: binding of colchicine-3H to cellular protein. J. Cell Biol. 34:525-33, 1967.
A1981LQ21400002

RIMLAND, B
CITATION CLASSIC - INFANTILE-AUTISM - THE SYNDROME AND ITS IMPLICATIONS FOR A NEURAL THEORY OF BEHAVIOR
CC/SOC BEHAV SCI, (22): 24-24 1981
Original Paper : Rimland B. Infantile autism: the syndrome and its implications for a neural theory of behavior. New York: Appleton-Century-Crofts, 1964.
A1981LQ21000001

CONNELL, JH
CITATION CLASSIC - THE INFLUENCE OF INTERSPECIFIC COMPETITION AND OTHER FACTORS ON THE DISTRIBUTION OF THE BARNACLE CHTHAMALUS-STELLATUS
CC/AGR BIOL ENVIRON, (21): 18-18 1981
Original Paper : Connell J H. The influence of interspecific competition and other factors on the distribution of the barnacle Chthamalus stellatus. Ecology 42:710-23, 1961.
A1981LP44800001

NIXON, M; HUGGETT, H
CITATION CLASSIC - USE OF GLUCOSE-OXIDASE, PEROXIDASE, AND O-DIANISIDINE IN DETERMINATION OF BLOOD AND URINARY GLUCOSE
CC/CLIN PRACTICE, (21): 18-18 1981
Original Paper : Huggett A St. G & Nixon D A. Use of glucose oxidase, peroxidase, and o-dianisidine in determination of blood and urinary glucose. Lancet 2:368-70, 1957.
A1981LP44700001

DILLAMORE, IL; ROBERTS, WT
CITATION CLASSIC - ROLLING TEXTURES IN FCC AND BCC METALS
CC/ENG TECH APPL SCI, (21): 18-18 1981
Original Paper : Dillamore I L & Roberts W T. Rolling textures in f.c.c. and b.c.c. metals. Acta Metallurgica 12:281-93, 1964.
A1981LP44600001

SHANNON, RD; PREWITT, CT
CITATION CLASSIC - EFFECTIVE IONIC-RADII IN OXIDES AND FLUORIDES
CC/PHYS CHEM EARTH, (21): 18-18 1981
Original Paper : Shannon R D & Prewitt C T. Effective ionic radii in oxides and fluorides. Acta Crystallogr. B 25:925-46, 1969.
A1981LP44500001
HUGHES, DE
CITATION CLASSIC - A PRESS FOR DISRUPTING BACTERIA AND OTHER MICROORGANISMS
CC/LIFE SCI, (21): 18-18 1981
Original Paper : Hughes D E. A press for disrupting bacteria and other micro-organisms.Brit. J. Exp. Pathol. 32:97-109, 1951.
A1981LP44400001

WYBRAN, J
CITATION CLASSIC - ISOLATION OF NORMAL T-CELLS IN CHRONIC LYMPHATIC-LEUKEMIA
CC/LIFE SCI, (21): 19-19 1981
Original Paper : Wybran J, Chantler S & Fudenberg H H. Isolation of normal T cells in chronic lymphatic leukaemia. Lancet 1:126-9, 1973.
A1981LP44400002

AZRIN, NH
CITATION CLASSIC - EXTINCTION-INDUCED AGGRESSION
CC/SOC BEHAV SCI, (21): 18-18 1981
Original Paper : Azrin N H, Hutchinson R R & Hake D F. Extinction-induced aggression. J. Exp. Anal. Behav. 9:191-204, 1966.
A1981LP44300001

HAIRSTON, NG
CITATION CLASSIC - COMMUNITY STRUCTURE, POPULATION-CONTROL, AND COMPETITION
CC/AGR BIOL ENVIRON, (20): 20-20 1981
Original Paper : Hairston N G, Smith F E & Slobodkin L B. Community structure, population control, and competition. Amer. Naturalist 94:421-5, 1960.
A1981LN52500001

STANLEY, ER
CITATION CLASSIC - PARTIAL-PURIFICATION AND SOME PROPERTIES OF THE FACTOR IN NORMAL AND LEUKEMIC HUMAN-URINE STIMULATING MOUSE BONE-MARROW COLONY GROWTH-INVITRO
CC/CLIN PRACTICE, (20): 20-20 1981
Original Paper : Stanley E R & Metcalf D. Partial purification and some properties of the factor in normal and leukaemic human urine stimulating mouse bone marrow colony growth in vitro. Aust. J. Exp. Biol. Med. Sci. 47:467-83, 1969.
A1981LN52400001

KRESSEL, H
CITATION CLASSIC - CLOSE-CONFINEMENT GALLIUM-ARSENIDE P-N-JUNCTION LASERS WITH REDUCED OPTICAL LOSS AT ROOM-TEMPERATURE
CC/ENG TECH APPL SCI, (20): 20-20 1981
Original Paper : Kressel H & Nelson H. Close-confinement gallium arsenide P-N junction lasers with reduced optical loss at room temperature. RCA Rev. 30:106-13, 1969.
A1981LN52300001

SKOU, JC
CITATION CLASSIC - ENZYMATIC BASIS FOR ACTIVE-TRANSPORT OF NA+ AND K+ ACROSS CELL-MEMBRANE
CC/LIFE SCI, (20): 20-20 1981
Original Paper : Skon J C. Enzymatic basis for active transport of Na+ and K+ across cell membrane. Physiol. Rev. 45:596-617, 1965.
A1981LN52200001

BIANCO, C
CITATION CLASSIC - A POPULATION OF LYMPHOCYTES BEARING A MEMBRANE-RECEPTOR FOR ANTIGEN-ANTIBODY-COMPLEMENT COMPLEXES .1. SEPARATION AND CHARACTERIZATION
CC/LIFE SCI, (20): 21-21 1981
Original Paper : Bianco C, Patrick R & Nussenzweig V. A population of lymphocytes bearing a membrane receptor for antigen-antibody-complement complexes. I. Separation and characterization. J. Exp. Med. 132:702-20, 1970.
A1981LN52200002

VANDYKE, M
CITATION CLASSIC - PERTURBATION-METHODS IN FLUID-MECHANICS
CC/PHYS CHEM EARTH, (20): 20-20 1981
Original Paper : Van Dyke M. Perturbation methods in fluid mechanics. New York: Academic Press, 1964. 229 p.
A1981LN52100001

POULTON, EC
CITATION CLASSIC - THE NEW PSYCHOPHYSICS - 6 MODELS FOR MAGNITUDE ESTIMATION
CC/SOC BEHAV SCI, (20): 20-20 1981
Original Paper : Poulton E C. The new psychophysics: six models for magnitude estimation. Psychol. Bull. 69:1-19, 1968.
A1981LN52000001

CRUICKSHANK, IAM
CITATION CLASSIC - PHYTOALEXINS
CC/AGR BIOL ENVIRON, (19): 20-20 1981
Original Paper : Cruickshank I A M. Phytoalexins. Annu. Rev. Phytopathol. 1:351-74, 1963.
A1981LM54500001

TODD, AS
CITATION CLASSIC - THE HISTOLOGICAL LOCALIZATION OF FIBRINOLYSIN ACTIVATOR
CC/CLIN PRACTICE, (19): 20-20 1981
Original Paper : Todd A S. The histological localisation of fibrinolysin activator. J. Pathol. Bacteriol. 78:281-3, 1959.
A1981LM54400001

ECKENFELDER, WW
CITATION CLASSIC - INDUSTRIAL WATER-POLLUTION CONTROL
CC/ENG TECH APPL SCI, (19): 20-20 1981
Original Paper : Eckenfelder W W, Jr. Industrial water pollution control. New York: McGraw-Hill, 1966.
A1981LM54200001

MOOR, H
CITATION CLASSIC - FINE-STRUCTURE IN FROZEN-ETCHED YEAST-CELLS
CC/LIFE SCI, (19): 20-20 1981
Original Paper : Moor H & Mühlethaler K. Fine structure in frozen-etched yeast cells. J. Cell Biol. 17:609-28, 1963.
A1981LM54000001

PORATH, J
CITATION CLASSIC - GEL-FILTRATION - A METHOD FOR DESALTING AND GROUP SEPARATION
CC/LIFE SCI, (19): 21-21 1981
Original Paper : Porath J & Flodin P. Gel filtration: a method for desalting and group separation. Nature 183:1657-9, 1959.
A1981LM54000002

NEWMAN, ET
CITATION CLASSIC - AN APPROACH TO GRAVITATIONAL-RADIATION BY A METHOD OF SPIN COEFFICIENTS
CC/PHYS CHEM EARTH, (19): 20-20 1981
Original Paper : Newman E & Penrose R. An approach to gravitational radiation by a method of spin coefficients. J. Math. Phys. 3:566-78, 1962.
A1981LM53700001

HESS, RD
CITATION CLASSIC - EARLY EXPERIENCE AND THE SOCIALIZATION OF COGNITIVE MODES IN CHILDREN
CC/SOC BEHAV SCI, (19): 20-20 1981
Original Paper : Hess R D & Shipman V C. Early experience and the socialization of cognitive modes in children. Child Develop. 36:869-86, 1965.
A1981LM53500001

BALTES, PB
CITATION CLASSIC - LONGITUDINAL AND CROSS-SECTIONAL SEQUENCES IN THE STUDY OF AGE AND GENERATION EFFECTS
CC/SOC BEHAV SCI, (18): 16-16 1981
Original Paper : Baltes P B. Longitudinal and cross-sectional sequences in the study of age and generation effects. Hum. Develop. 11:145-71, 1968.
A1981LL57900001

SUH, NP
CITATION CLASSIC - THE DELAMINATION THEORY OF WEAR
CC/ENG TECH APPL SCI, (18): 16-16 1981
Original Paper : Suh N P. The delamination theory of wear. Wear 25:111-24, 1973.
A1981LL57800001

HARDISTY, RM
CITATION CLASSIC - A ONE-STAGE FACTOR-VIII (ANTI-HEMOPHILIC GLOBULIN) ASSAY AND ITS USE ON VENOUS AND CAPILLARY PLASMA
CC/CLIN PRACTICE, (18): 16-16 1981
Original Paper : Hardisty R M & Macpherson J C. A one-stage factor VIII (antihaemophilic globulin) assay and its use on venous and capillary plasma. With a note on the calculation of confidence limits by G.I.C. Ingram. Thromb, Diath. Haemorrhag. 7:215-29, 1962.
A1981LL57700001

WIGGLESWORTH, VB
CITATION CLASSIC - THE HORMONAL-REGULATION OF GROWTH AND REPRODUCTION IN INSECTS
CC/AGR BIOL ENVIRON, (18): 16-16 1981
A1981LL57600001

CAVALLI-SFORZA, LL
CITATION CLASSIC - THE GENETICS OF HUMAN-POPULATIONS
CC/LIFE SCI, (18): 17-17 1981
Original Paper : Cavaill-Sforza L L & Bodmer W F. The genetics of human populations. San Francisco: W.H. Freeman, 1971.
A1981LL57500001

ZAK, B
CITATION CLASSIC - RAPID ESTIMATION OF FREE AND TOTAL CHOLESTEROL
CC/LIFE SCI, (18): 16-16 1981
Original Paper : Zak B, Dickenman R C, White E G, Burnett H & Cherney P J. Rapid estimation of free and total cholesterol. Amer. J. Clin. Pathol. 24:1307-15, 1954.
A1981LL57500002

PENZIAS, AA
CITATION CLASSIC - A MEASUREMENT OF EXCESS ANTENNA TEMPERATURE AT 4080 MC-S
CC/PHYS CHEM EARTH, (18): 16-16 1981
Original Paper : Penzlas A A & Wilson R W.A measurement of excess antenna temperature at 4080 Mc/s. Astrophysical J. 142:419-21, 1965.
A1981LL57400001

MCWEENY, R
CITATION CLASSIC - X-RAY-SCATTERING BY AGGREGATES OF BONDED ATOMS .1. ANALYTICAL APPROXIMATIONS IN SINGLE-ATOM SCATTERING
CC/PHYS CHEM EARTH, (17): 16-16 1981
Original Paper : McWeeny R. X-ray scattering by aggregates of bonded atoms. I. Analytical approximations in single-atom scattering. Acta Crystallogr. 4:513-19, 1951.
A1981LK86500001

HAWKINS, RP
CITATION CLASSIC - BEHAVIOR-THERAPY IN THE HOME - AMELIORATION OF PROBLEM PARENT-CHILD RELATIONS WITH THE PARENT IN A THERAPEUTIC ROLE
CC/SOC BEHAV SCI, (17): 16-16 1981
Original Paper : Hawkins R P, Peterson R F, Schweid E & Bijou S W. Behavior therapy in the home: amelioration of problem parent-child relations with the parent in a therapeutic role. J. Exp. Child Psychol. 4:99-107, 1966.
A1981LK86400001

RONA, G
CITATION CLASSIC - AN INFARCT-LIKE MYOCARDIAL LESION AND OTHER TOXIC MANIFESTATIONS PRODUCED BY ISOPROTERENOL IN THE RAT
CC/CLIN PRACTICE, (17): 16-16 1981
Original Paper : Rona G, Chappel C I, Balazs T & Gaudry R. An infarct-like myocardial lesion and other toxic manifestations produced by isoproterenol in the rat. Arch. Pathol. 67:443-55, 1959.
A1981LK86300001

KUO, BC
CITATION CLASSIC - ANALYSIS AND SYNTHESIS OF SAMPLED-DATA CONTROL-SYSTEMS
CC/ENG TECH APPL SCI, (17): 16-16 1981
Original Paper: Kuo B C. Analysis and synthesis of sampled-data control systems. Englewood Cliffs, NJ: Prentice-Hall, 1963.
A1981LK86100001

DRUCKREY, H
CITATION CLASSIC - ORGANOTROPIC CARCINOGENIC EFFECTS OF 65 DIFFERENT N-NITROSO-COMPOUNDS IN BD-RATS
CC/LIFE SCI, (17): 16-16 1981
Original Paper : Druckrey H, Preussmann R, Ivankovic S & Schmahl D. Organotropic carcinogenic effects of 65 different N-nitroso-compounds in BD-rats. Z. Krebsforsch. 69:103-201,1967.
A1981LK85800001

MCCORD, JM
CITATION CLASSIC - SUPEROXIDE-DISMUTASE - AN ENZYMIC FUNCTION FOR ERYTHROCUPREIN (HEMOCUPREIN)
CC/LIFE SCI, (17): 17-17 1981
Original Paper : McCord J M & Fridovich I. Superoxide dismutase: an enzymic function for erythrocuprein (hemocuprein). J. Biol. Chem. 244:6049-55, 1969.
A1981LK85800002

RYAN, CA
CITATION CLASSIC - PROTEOLYTIC-ENZYMES AND THEIR INHIBITORS IN PLANTS
CC/AGR BIOL ENVIRON, (17): 16-16 1981
Original Paper : Ryan C A. Proteolytic enzymes and their inhibitors in plants. Annu. Rev.Plant Physiol. 24:173-96, 1973.
A1981LK85500001

NORTHCOTE, DH
CITATION CLASSIC - CHEMISTRY OF THE PLANT-CELL WALL
CC/AGR BIOL ENVIRON, (16): 18-18 1981
A1981LJ75200001

BROCK, DJH
CITATION CLASSIC - ALPHA-FETOPROTEIN IN THE ANTENATAL DIAGNOSIS OF ANENCEPHALY AND SPINA-BIFIDA
CC/CLIN PRACTICE, (16): 18-18 1981
Original Paper : Brock D J H & Sutcliffe R G. Alpha-fetoprotein in the antenatal diagnosis of anencephaly and spina bifida. Lancet 2:197-9, 1972.
A1981LJ74800001

SROOG, CE
CITATION CLASSIC - AROMATIC POLYPYROMELLITIMIDES FROM AROMATIC POLYAMIC ACIDS
CC/ENG TECH APPL SCI, (16): 18-18 1981
Original Paper : Sroog C E, Endrey A L, Abramo S V, Berr C E, Edwards W M & Olivier K L. Aromatic polypyromellitimides from aromatic polyamic acids. J. Polym. Sci. 3:1373-90, 1965.
A1981LJ74600001

BLUNDELL, TL
CITATION CLASSIC - INSULIN - THE STRUCTURE IN THE CRYSTAL AND ITS REFLECTION IN CHEMISTRY AND BIOLOGY
CC/LIFE SCI, (16): 18-18 1981
Original Paper : Blundell T, Dodson G, Hodgkin D & Mercola D. Insulin: the structure in the crystal and its reflection in chemistry and biology. Advan. Prot. Chem. 26:279-402, 1972.
A1981LJ74200001

ORLOFF, J
CITATION CLASSIC - THE ROLE OF ADENOSINE 3',5'-PHOSPHATE IN THE ACTION OF ANTI-DIURETIC HORMONE
CC/LIFE SCI, (16): 19-19 1981
Original Paper : Orloff J & Handler J. The role of adenosine 3',5'-phosphate in the action of antidiuretic hormone. Amer. J. Med. 42:757-68, 1967.
A1981LJ74200002

DAILEY, BP
CITATION CLASSIC - DETERMINATION OF ELECTRONIC-STRUCTURE OF MOLECULES FROM NUCLEAR-QUADRUPOLE EFFECTS
CC/PHYS CHEM EARTH, (16): 18-18 1981
Original Paper : Townes C H & Dailey B P. Determination of electronic structure of molecules from nuclear quadrupole effects. J. Chem. Phys. 17:782-96, 1949.
A1981LJ74000001

BELL, RQ
CITATION CLASSIC - A REINTERPRETATION OF THE DIRECTION OF EFFECTS IN STUDIES OF SOCIALIZATION
CC/SOC BEHAV SCI, (16): 18-18 1981
Original Paper : Bell R Q. A reinterpretation of the direction of effects in studies of socialization. Psychol. Rev. 75:81-95, 1968.
A1981LJ73700001

MCMAHON, CJ 
CITATION CLASSIC - INITIATION OF CLEAVAGE IN POLYCRYSTALLINE IRON 
CC/ENG TECH APPL SCI, (15): 20-20 1981 
A1981LH86700001

WEISSMANN, G
CITATION CLASSIC - LYSOSOMES AND JOINT DISEASE
CC/CLIN PRACTICE, (15): 20-20 1981
Original Paper : Weissmann G. Lysosomes and joint disease. Arthritis Rheum. 9:834-40, 1966.
A1981LH86600001

LEDBETTER, MC
CITATION CLASSIC - A MICROTUBULE IN PLANT-CELL FINE-STRUCTURE
CC/AGR BIOL ENVIRON, (15): 20-20 1981
Original Paper : Ledbetter M C & Porter K R. A "microtubule" in plant cell fine structure.J. Cell Biol. 19:239-50, 1963.
A1981LH86500001

CLARK, SL
CITATION CLASSIC - THE THYMUS IN MICE OF STRAIN 129-J, STUDIED WITH THE ELECTRON-MICROSCOPE
CC/LIFE SCI, (15): 20-20 1981
Original Paper : Clark S L, Jr. The thymus in mice of strain 129/J, studied with the electron microscope. Amer. J. Anat. 112:1-9, 1963.
A1981LH86400001

MILLER, GJ
CITATION CLASSIC - PLASMA-HIGH-DENSITY-LIPOPROTEIN CONCENTRATION AND DEVELOPMENT OF ISCHEMIC-HEART-DISEASE CC/LIFE SCI, (15): 21-21 1981
Original Paper : Miller G J & Miller N E. Plasma-high-density-lipoprotein concentration and development of ischaemic heart-disease. Lancet 1:16-19, 1975.
A1981LH86400002

SCHAEFER, ES
CITATION CLASSIC - DEVELOPMENT OF A PARENTAL ATTITUDE RESEARCH INSTRUMENT
CC/SOC BEHAV SCI, (15): 20-20 1981
Original Paper: Schaefer E S & Bell R Q. Development of a parental attitude research instrument. Child Develop. 29:339-61, 1958.
A1981LH86200001

GREENSPAN, HP
CITATION CLASSIC - ON A TIME-DEPENDENT MOTION OF A ROTATING FLUID
CC/PHYS CHEM EARTH, (15): 20-20 1981
Original Paper: Greenspan H P & Howard L N. On a time-dependent motion of a rotating fluid. J. Fluid Mech. 17:385-404, 1963.
A1981LH86100001

SELANDER, RK
CITATION CLASSIC - GENETIC-VARIATION AMONG VERTEBRATE SPECIES
CC/AGR BIOL ENVIRON, (14): 14-14 1981
Original Paper:  Selander R K & Johnson W E. Genetic variation among vertebrate species. Annu. Rev. Ecol. Syst. 4:75-91, 1973.
A1981LH21500001

LODGE, AS
CITATION CLASSIC - ELASTIC LIQUIDS - AN INTRODUCTORY VECTOR TREATMENT OF FINITE-STRAIN POLYMER RHEOLOGY
CC/ENG TECH APPL SCI, (14): 14-14 1981
Original Paper: Lodge A S. Elastic liquids: an introductory vector treatment of finite-strain polymer rheology. London: Academic Press, 1964.
A1981LH21400001

FRANKLIN, EC
CITATION CLASSIC - HEAVY-CHAIN DISEASE - A NEW DISORDER OF SERUM GAMMA-GLOBULINS - REPORT OF THE 1ST CASE
CC/CLIN PRACTICE, (14): 14-14 1981
Original Paper : Franklin E C, Lowensteln J, Bigelow B & Meltzer M. Heavy chain disease—a new disorder of serum ã-globulins: report of the first case. Amer. J. Med. 37:332-50, 1964.
A1981LH21300001

PERROW, CB
CITATION CLASSIC - A FRAMEWORK FOR THE COMPARATIVE-ANALYSIS OF ORGANIZATIONS
CC/SOC BEHAV SCI, (14): 14-14 1981
Original Paper : Perrow C. A framework for the comparative analysis of organizations. Amer. Sociol. Rev. 32:194-208, 1967.
A1981LH21200001

IBERS, JA
CITATION CLASSIC - STUDIES OF METAL-NITROGEN MULTIPLE BONDS .1. THE CRYSTAL AND MOLECULAR-STRUCTURE OF NITRIDODICHLOROTRIS (DIETHYLPHENYLPHOSPHINE)RHENIUM(V), RENCL2[P(C2H5)2C6H5]3
CC/PHYS CHEM EARTH, (14): 14-14 1981
Original Paper : Corfield P W R, Doedens R J & Ibers J A. Studies of metal-mtrogen multiple bonds I The crystal and molecular structure of nitridodichlorotris(diethylphenylphosphine) rhenium(V), ReNCl2[P(C2H5)2C6H5]3. Inorg. Chem. 6:197-204, 1967.
A1981LH21100001

SEABRIGHT, M
CITATION CLASSIC - A RAPID BANDING TECHNIQUE FOR HUMAN-CHROMOSOMES
CC/LIFE SCI, (14): 15-15 1981
Original Paper : Seabright M. A rapid banding technique for human chromosomes.Lancet 2:971-2, 1971.
A1981LH21000001

NASH, T
CITATION CLASSIC - THE COLORIMETRIC ESTIMATION OF FORMALDEHYDE BY MEANS OF THE HANTZSCH REACTION
CC/LIFE SCI, (14): 14-14 1981
Original Paper : Nash T. The colorimetric estimation of formaldehyde by means of the Hantzsch reaction. Biochemical J. 55:416-21, 1953.
A1981LH21000002

HOLTZMAN, WH
CITATION CLASSIC - INKBLOT PERCEPTION AND PERSONALITY - HOLTZMAN INKBLOT TECHNIQUE
CC/SOC BEHAV SCI, (13): 18-18 1981
Original Paper : Holtzman W H, Thorpe J S, Swartz J D & Herron E W. Inkblot perception and personality: Holtzman Inkblot Technique. Austin, TX: University of Texas Press, 1961.
A1981LG20300001

GEARY, WJ
CITATION CLASSIC - THE USE OF CONDUCTIVITY MEASUREMENTS IN ORGANIC-SOLVENTS FOR THE CHARACTERIZATION OF COORDINATION-COMPOUNDS
CC/PHYS CHEM EARTH, (13): 18-18 1981
Original Paper : Geary W J. The use of conductivity measurements in organic solvents for the characterisation of coordination compounds. Coord. Chem. Rev. 7:81-122, 1971.
A1981LG20000001

POST, RL
CITATION CLASSIC - MEMBRANE ADENOSINE-TRIPHOSPHATASE AS A PARTICIPANT IN THE ACTIVE-TRANSPORT OF SODIUM AND POTASSIUM IN THE HUMAN-ERYTHROCYTE
CC/LIFE SCI, (13): 18-18 1981
Original Paper : Post R L, Merrill C R, Kinsolving C R & Albright C D. Membrane adenosine triphosphatase as a participant in the active transport of sodium and potassium in the human erythrocyte. J. Biol. Chem. 235:1796-802, 1960.
A1981LG19700001

BACHMANN, F
CITATION CLASSIC - THE STUART-PROWER FACTOR ASSAY AND ITS CLINICAL-SIGNIFICANCE
CC/LIFE SCI, (13): 19-19 1981
Original Paper : Bachmann F, Duckert F & Koller F. The Stuart-Prower factor assay and its clinical significance. Thrombos. Diath. Haemorrh. 2:24-38, 1958.
A1981LG19700002

ZAMES, G
CITATION CLASSIC - ON THE INPUT-OUTPUT STABILITY OF TIME-VARYING NON-LINEAR FEEDBACK-SYSTEMS .1.2.
CC/ENG TECH APPL SCI, (13): 18-18 1981
Original Paper : Zames G. On the input-output stability of time-varying nonlinear feedback systems. Parts I and II. IEEE Trans. Automat. Contr. AC-ll:228-38; 465-76, 1966.
A1981LG19300001

GORDON, RS
CITATION CLASSIC - EXUDATIVE ENTEROPATHY - ABNORMAL PERMEABILITY OF THE GASTROINTESTINAL-TRACT DEMONSTRABLE WITH LABELED POLYVINYLPYRROLIDONE
CC/CLIN PRACTICE, (13): 18-18 1981
Original Paper : Gordon R S, Jr. Exudative enteropathy: abnormal permeability of the gastrointestinal tract demonstrable with labelled polyvinylpyrrolidone. Lancet 1:3256, 1959.
A1981LG19200001

HOLMAN, RT
CITATION CLASSIC - THE RATIO OF TRIENOIC-TETRAENOIC ACIDS IN TISSUE-LIPIDS AS A MEASURE OF ESSENTIAL FATTY-ACID REQUIREMENT
CC/AGR BIOL ENVIRON, (13): 18-18 1981
Original Paper : Holman R T. The ratio of trienoic:tetraenoic acids in tissue lipids as a measure of essential fatty acid requirement. J. Nutrition 70:405-10, 1960.
A1981LG19100001

BURKITT, DP
CITATION CLASSIC - EPIDEMIOLOGY OF CANCER OF THE COLON AND RECTUM
CC/CLIN PRACTICE, (12): 20-20 1981
Original Paper : Burkitt D P. Epidemiology of cancer of the colon and rectum. Cancer 28:3-13, 1971.
A1981LF07800001

MOHR, H
CITATION CLASSIC - INVESTIGATIONS ON PHYTOCHROME INDUCED PHOTOMORPHOGENESIS IN THE MUSTARD SEEDLING  (SINAPIS-ALBA L)
CC/AGR BIOL ENVIRON, (12): 20-20 1981
Original Paper : Mohr H. Investigations on phytochrome induced photomorphogenesis in the mustard seedling (Sinapis alba L.). Z. Pflanzenphysiol. 54:63-83, 1966.
A1981LF07700001

PARKER, CA
CITATION CLASSIC - CORRECTION OF FLUORESCENCE-SPECTRA AND MEASUREMENT OF FLUORESCENCE QUANTUM  EFFICIENCY
CC/ENG TECH APPL SCI, (12): 20-20 1981
Original Paper : Parker C A & Rees W T. Correction of fluorescence spectra and measurement of fluorescence quantum efficiency. Analyst 85:587-600, 1960.
A1981LF07400001

ZAK, B; ZLATKIS, A
CITATION CLASSIC - A NEW METHOD FOR THE DIRECT DETERMINATION OF SERUM-CHOLESTEROL
CC/LIFE SCI, (12): 20-20 1981
Original Paper : Zlatkis A, Zak B & Boyle A J. A new method for the direct determination of serum cholesterol. J. Lab. Clin. Med. 41:486-92, 1953.
A1981LF07200001

WHITAKER, JR
CITATION CLASSIC - DETERMINATION OF MOLECULAR-WEIGHTS OF PROTEINS BY GEL-FILTRATION ON SEPHADEX
CC/LIFE SCI, (12): 21-21 1981
Original Paper : Whitaker J R. Determination of molecular weights of proteins by gel filtration on Sephadex. Anal. Chem. 35:1950-3, 1963.
A1981LF07200002

RAPP, D
CITATION CLASSIC - TOTAL CROSS-SECTIONS FOR IONIZATION AND ATTACHMENT IN GASES BY ELECTRON-IMPACT .1. POSITIVE IONIZATION
CC/PHYS CHEM EARTH, (12): 20-20 1981
Original Paper : Rapp D & Englander-Golden P. Total cross sections for ionizetion and attachment in gases by electron impact. I. Positive ionization. J. Chem. Phys. 43:1464-79, 1965.
A1981LF07100001

STADDON, JER
CITATION CLASSIC - THE SUPERSTITION EXPERIMENT - A REEXAMINATION OF ITS IMPLICATIONS FOR THE PRINCIPLES OF ADAPTIVE-BEHAVIOR
CC/SOC BEHAV SCI, (12): 20-20 1981
Original Paper : Staddon J E R & Simmelhag V L. The “superstition” experiment: a reexannnation of its implications for the principles of adaptive behavior. Psychol. Rev. 78:3-43, 1971.
A1981LF07000001

HESKETH, JD
CITATION CLASSIC - VARIATION IN THE RESPONSE OF PHOTOSYNTHESIS TO LIGHT
CC/AGR BIOL ENVIRON, (11): 16-16 1981
Original Paper : Hesketh J D & Moss D N. Variation in the response of photosynthesis to light.Crop Sci. 3:107-10, 1963.
A1981LE36600001

WRIGHT, BM
CITATION CLASSIC - MAXIMUM FORCED EXPIRATORY FLOW-RATE AS A MEASURE OF VENTILATORY CAPACITY - WITH A DESCRIPTION OF A NEW PORTABLE INSTRUMENT FOR MEASURING IT
CC/CLIN PRACTICE, (11): 16-16 1981
Original Paper : Wright B M & McKerrow C B. Maximum forced expiratory flow rate as a    measure of ventilatory capacity—with a description of a new portable instrument    for measuring it. Brit. Med. J. 2:1041-7, 1959.
A1981LE36400001

ERICSON, TEO
CITATION CLASSIC - THE STATISTICAL-MODEL AND NUCLEAR-LEVEL DENSITIES
CC/ENG TECH APPL SCI, (11): 16-16 1981
Original Paper : Ericson T. The statistical model and nuclear level densities. Advan. Phys. 9:425-511, 1960.
A1981LE36300001

MARBROOK, J
CITATION CLASSIC - PRIMARY IMMUNE-RESPONSE IN CULTURES OF SPLEEN-CELLS
CC/LIFE SCI, (11): 16-16 1981
Original Paper : Marbrook J. Primary immune response in cultures of spleen cells. ancet 2:1279-81, 1967.
A1981LE35900001

FLEISCHMAN, JB
CITATION CLASSIC - THE ARRANGEMENT OF THE PEPTIDE CHAINS IN GAMMA-GLOBULIN
CC/LIFE SCI, (11): 17-17 1981
Original Paper : Fleischman J B, Porter R R & Press E M. The arrangement of the peptide chains in ?-globulin. Biochemical J. 88:220-8, 1963.
A1981LE35900002

WILSON, EB
CITATION CLASSIC - SOME MATHEMATICAL-METHODS FOR THE STUDY OF MOLECULAR VIBRATIONS
CC/PHYS CHEM EARTH, (11): 16-16 1981
Original Paper : Wilson E B. Some mathematical methods for the study of molecular vibrations. J. Chem. Phys. 9:76-84, 1941.
A1981LE35300001

DEUTSCH, JA; DEUTSCH, D
CITATION CLASSIC - ATTENTION - SOME THEORETICAL CONSIDERATIONS
CC/SOC BEHAV SCI, (11): 16-16 1981
Original Paper : Deutsch J A & Deutsch D. Attention: some theoretical considerations. Psychol. Rev. 70:80-90, 1963.
A1981LE35000001

GOLDBERG, LR
CITATION CLASSIC - SOME RESEARCH ON CLINICAL JUDGMENTS
CC/SOC BEHAV SCI, (10): 18-18 1981
Original Paper: Goldberg L R. Simple models or simple processes? Some research on clinical judgments. Amer. Psychol. 23:483-96, 1968.
A1981LD33000001

GAILLARD, MK
CITATION CLASSIC - SEARCH FOR CHARM
CC/PHYS CHEM EARTH, (10): 18-18 1981
Original Paper: Gaillard M K, Lee B W & Rosner J L. Search for charm. Rev. Mod. Phys. 47:277-310, 1975.
A1981LD32900001

DUNKER, AK
CITATION CLASSIC - OBSERVATIONS ON MOLECULAR-WEIGHT DETERMINATIONS ON POLYACRYLAMIDE-GEL
CC/LIFE SCI, (10): 19-19 1981
Original Paper: Dunker A K & Rueckert R R. Observations on molecular weight determinations on polyacrylamide gel. J. Biol. Chem. 244:5074-80, 1969.
A1981LD32700001

RAMACHANDRAN, GN
CITATION CLASSIC - CONFORMATION OF POLYPEPTIDES AND PROTEINS
CC/LIFE SCI, (10): 18-18 1981
Original Paper: Ramachandran G N & Sasiskharan V. Conformation of polypeptides and proteins. Advan. Prot. Chem. 23:283-437, 1968.
A1981LD32700002

WEIBULL, GW
CITATION CLASSIC - A STATISTICAL DISTRIBUTION FUNCTION OF WIDE APPLICABILITY
CC/ENG TECH APPL SCI, (10): 18-18 1981
Original Paper: Weibull W. A statistical distribution function of wide applicability. J. Appl. Mech. 18:293-7, 1951.
A1981LD32400001

CONNOLLY, JH
CITATION CLASSIC - MEASLES-VIRUS ANTIBODY AND ANTIGEN IN SUB-ACUTE SCLEROSING PANENCEPHALITIS
CC/CLIN PRACTICE, (10): 18-18 1981
Original Paper:Connolly J H, Allen I V, Hurwitz L J & Millar J H D. Measles-virus antibody and antigen in subacute sclerosing panencephalitis. Lancet 1:542-4, 1967.
A1981LD32200001

WRIGHT, S
CITATION CLASSIC - EVOLUTION IN MENDELIAN POPULATIONS
CC/AGR BIOL ENVIRON, (10): 18-18 1981
Original Paper: Wright S. Evolution in Mendelian populations. Genetics 16:97-159, 1931.
A1981LD31800001

EDMISTON, C
CITATION CLASSIC - LOCALIZED ATOMIC AND MOLECULAR-ORBITALS
CC/PHYS CHEM EARTH, (9): 18-18 1981
Original Paper: Edmiston C & Ruedenberg K. Localized atomic and molecular orbitals. Rev. Mod. Phys. 35:457-65, 1963.
A1981LC33400001

MILGRAM, S
CITATION CLASSIC - BEHAVIORAL-STUDY OF OBEDIENCE
CC/SOC BEHAV SCI, (9): 18-18 1981
Original Paper: Milgram S. Behavioral study of obedience. J. Abnormal Soc. Psychol. 67:371-8, 1963.
A1981LC33300001

BRYANT, M
CITATION CLASSIC - AN IMPROVED NONSELECTIVE CULTURE-MEDIUM FOR RUMINAL BACTERIA AND ITS USE IN DETERMINING DIURNAL-VARIATION IN NUMBERS OF BACTERIA IN THE RUMEN
CC/AGR BIOL ENVIRON, (9): 18-18 1981
Original Paper: Bryant M P & Robinson I M. An improved nonselective culture medium for ruminal bacteria and its use in determining diurnal variation in numbers of bacteria in the rumen. J. Dairy Sci. 44:1446-56, 1961.
A1981LC33200001

ADAMS, CWM
CITATION CLASSIC - A PARA-DIMETHYLAMINOBENZALDEHYDE-NITRITE METHOD FOR THE HISTOCHEMICAL-DEMONSTRATION OF TRYPTOPHANE AND RELATED-COMPOUNDS
CC/LIFE SCI, (9): 18-18 1981
Original Paper: Adams C W M. A p-dimethylaminobenzaldehyde-nitrite method for the histochemical demonstration of tryptophane and related compounds. J. Clin Pathol. 10:56-62, 1957.
A1981LC33100001

LE BLOND, CP
CITATION CLASSIC - THE CONSTANT RENEWAL OF THE INTESTINAL EPITHELIUM IN THE ALBINO-RAT
CC/LIFE SCI, (9): 19-19 1981
Original Paper: Leblond C P & Stevens C E. The constant renewal of the intestinal epithelium in the albino rat. Anat. Rec. 100:357-71, 1948.
A1981LC33100002

ZWICKER, E
CITATION CLASSIC - CRITICAL BAND-WIDTH IN LOUDNESS SUMMATION
CC/ENG TECH APPL SCI, (9): 18-18 1981
Original Paper : Zwicker E, Flottorp G & Stevens S S. Critical band width in loudness summation. J. Acoust. Soc. Amer. 29:548-57, 1957.
A1981LC33000001

PANTRIDGE, JF
CITATION CLASSIC - A MOBILE INTENSIVE-CARE UNIT IN THE MANAGEMENT OF MYOCARDIAL-INFARCTION
CC/CLIN PRACTICE, (9): 18-18 1981
Original Paper : Pantridge J F & Geddes J S. A mobile intensive-care unit in the management of myocardial infarction. Lancet 2:271-3, 1967.
A1981LC32900001

LYONS, JM
CITATION CLASSIC - OXIDATIVE ACTIVITY OF MITOCHONDRIA ISOLATED FROM PLANT-TISSUES SENSITIVE AND RESISTANT TO CHILLING INJURY
CC/AGR BIOL ENVIRON, (8): 20-20 1981
Original Paper : Lyons J M & Raison J K. Oxidative activity of mitochondria isolated from plant tissues sensitive and resistant to chilling injury. Plant Physiol. 45:386-9, 1970.
A1981LB38500001

WEISSLER, AM
CITATION CLASSIC - BEDSIDE TECHNIQUES FOR THE EVALUATION OF VENTRICULAR-FUNCTION IN MAN
CC/CLIN PRACTICE, (8): 20-20 1981
Original Paper : Weissler A M, Harris W S & Schoenfeld C D. Bedside technics for the evaluation of ventricular function in man. Amer. J. Cardiol. 23:577-83, 1969.
A1981LB38400001

BERRY, RS
CITATION CLASSIC - CORRELATION OF RATES OF INTRAMOLECULAR TUNNELING PROCESSES, WITH APPLICATION TO SOME GROUP-V COMPOUNDS
CC/PHYS CHEM EARTH, (8): 20-20 1981
Original Paper : Berry R S. Correlation of rates of intramolecular tunneling processes, with application to some group V compounds. J. Chem. Phys. 32:933-8, 1960.
A1981LB38300001

BENCZE, WL
CITATION CLASSIC - DETERMINATION OF TYROSINE AND TRYPTOPHAN IN PROTEINS
CC/LIFE SCI, (8): 20-20 1981
Original Paper : Bencze W L& Schmid K. Determination of tyrosine and tryptophan in proteins. Anal. Chem. 29:1193-6, 1957.
A1981LB38200001

LACY, PE
CITATION CLASSIC - METHOD FOR THE ISOLATION OF INTACT ISLETS OF LANGERHANS FROM THE RAT PANCREAS
CC/LIFE SCI, (8): 21-21 1981
Original Paper : Lacy P E & Kostianovsky M. Method for the isolation of intact islets of Langerhans from the rat pancreas. Diabetes 16:35-9, 1967.
A1981LB38200002

BERRY, RS
CITATION CLASSIC - CORRELATION OF RATES OF INTRAMOLECULAR TUNNELING PROCESSES, WITH APPLICATION TO SOME GROUP-V COMPOUNDS
CC/ENG TECH APPL SCI, (8): 20-20 1981
Original Paper : Berry R S. Correlation of rates of intramolecular tunneling processes, with application to some group V compounds. J. Chem. Phys. 32:933-8, 1960.
A1981LB38100001

STRUPP, HH
CITATION CLASSIC - SOME EMPIRICAL AND CONCEPTUAL BASES FOR COORDINATED RESEARCH IN PSYCHOTHERAPY – A CRITICAL-REVIEW OF ISSUES, TRENDS, AND EVIDENCE
CC/SOC BEHAV SCI, (8): 20-20 1981
Original Paper : Strupp H H & Bergin A E. Some empirical and conceptual bases for coordinated research in psychotherapy: a critical review of issues, trends, and evidence. Int. J. Psychiat. 7:18-90, 1969.
A1981LB38000001

KEEGSTRA, K
CITATION CLASSIC - THE STRUCTURE OF PLANT-CELL WALLS .3. A MODEL OF THE WALLS OF SUSPENSION-CULTURED SYCAMORE CELLS BASED ON THE INTERCONNECTIONS OF THE MACROMOLECULAR COMPONENTS
CC/AGR BIOL ENVIRON, (7): 16-16 1981
Original Paper : Keegstra K, Talmadge K W, Bauer W D & Albersheim P. The structure of plant cell walls. III. A model of the walls of suspension-cultured sycamore cells based on the interconnections of the macromolecular components. Plant Physiol. 51:188-96, 1973.
A1981LA48200001

DAVENPORT, HW
CITATION CLASSIC - GASTRIC-MUCOSAL INJURY BY FATTY AND ACETYLSALICYLIC ACIDS
CC/CLIN PRACTICE, (7): 16-16 1981
Original Paper : Davenport H W. Gastric mucosal injury by fatty and acetylsalicylic acids. Gastroenterology 46:245-53, 1964.
A1981LA48100001

BARKER, JA; HENDERSON, D
CITATION CLASSIC - PERTURBATION-THEORY AND EQUATION OF STATE FOR FLUIDS .2. A SUCCESSFUL THEORY OF LIQUIDS
CC/ENG TECH APPL SCI, (7): 16-16 1981
Original Paper : Barker J A & Henderson D. Perturbation theory and equation of state for fluids II. A successful theory of liquids. J. Chem. Phys. 47:4714-21, 1967.
A1981LA48000001

KRNJEVIC, K
CITATION CLASSIC - THE ACTION OF GAMMA-AMINOBUTYRIC ACID ON CORTICAL-NEURONS
CC/LIFE SCI, (7): 16-16 1981
Original Paper : Krnjeviæ K & Schwartz S. The action of y-aminobutyric acid on cortical neurones. Exp. Brain Res. 3:320-36, 1967.
A1981LA47900001

MILNE, MD
CITATION CLASSIC - NON-IONIC DIFFUSION AND THE EXCRETION OF WEAK ACIDS AND BASES
CC/LIFE SCI, (7): 17-17 1981
Original Paper : Milne M D, Scribner B H & Crawford M A. Non-ionic diffusion and the excretion of weak acids and bases. Amer. J. Med. 24:709-29, 1958.
A1981LA47900002

DEL BENE, JE
CITATION CLASSIC - USE OF THE CNDO METHOD IN SPECTROSCOPY .1. BENZENE, PYRIDINE, AND THE DIAZINES
CC/PHYS CHEM EARTH, (7): 16-16 1981
Original Paper : Del Bene J & Jaffé H H. Use of the CNDO method in spectroscopy. I. Benzene, pyridine, and the diazines. J. Chem. Phys. 48:1807-13, 1968.
A1981LA47800001

BROWN, R
CITATION CLASSIC - SOCIAL-PSYCHOLOGY
CC/SOC BEHAV SCI, (7): 16-16 1981
Original Paper : Brown R. Social psychology. New York: Free Press, 1965.
A1981LA47700001

DUBOIS, AB
CITATION CLASSIC - A NEW METHOD FOR MEASURING AIRWAY-RESISTANCE IN MAN USING A BODY PLETHYSMOGRAPH - VALUES IN NORMAL SUBJECTS AND IN PATIENTS WITH RESPIRATORY-DISEASE
CC/CLIN PRACTICE, (6): 18-18 1981
Original Paper : DuBois A B, Botelho S Y & Comroe J H, Jr. J. Clin. Invest. 35:32735, 1956.
A1981KZ58000001

HONIGBERG, BM
CITATION CLASSIC - A REVISED CLASSIFICATION OF THE PHYLUM PROTOZOA
CC/AGR BIOL ENVIRON, (6): 18-18 1981
Original Paper : Honigberg B M, Balamuth W, Bovee E C, Corliss J O, Gojdics M, Hall R P, Kudo R R, Levine N D, Loeblich A R, Jr., Weiser J & Wenrich D H. A revised classification of the phylum Protozoa. J. Protozoology 11:7-20, 1964.
A1981KZ57900001

EDWARDS, W
CITATION CLASSIC - THE THEORY OF DECISION-MAKING
CC/SOC BEHAV SCI, (6): 18-18 1981
Original Paper : Edwards W. The theory of decision making. Psychol. Bull. 51:380-417, 1954.
A1981KZ57800001

SHAIN, I; NICHOLSON, RS
CITATION CLASSIC - THEORY OF STATIONARY ELECTRODE POLAROGRAPHY - SINGLE SCAN AND CYCLIC METHODS APPLIED TO REVERSIBLE, IRREVERSIBLE, AND KINETIC SYSTEMS
CC/PHYS CHEM EARTH, (6): 18-18 1981
Original Paper : Nicholson R S & Shain I. Theory of stationary electrode polarography: single scan and cyclic methods applied to reversible, irreversible, and kinetic systems. Anal. Chem. 36:706-23, 1964.
A1981KZ58300001

COONS, AH
CITATION CLASSIC - LOCALIZATION OF ANTIGEN IN TISSUE-CELLS .2. IMPROVEMENTS IN A METHOD FOR THE DETECTION OF ANTIGEN BY MEANS OF FLUORESCENT-ANTIBODY
CC/LIFE SCI, (6): 18-18 1981
Original Paper : Coons A H & Kaplan M H. Localization of antigen in tissue cells. II. Improvements in a method for the detection of antigen by means of fluorescent antibody. J. Exp. Med. 91:1-13, 1950.
A1981KZ58200001

REISFELD, RA
CITATION CLASSIC - DISK-ELECTROPHORESIS OF BASIC-PROTEINS AND PEPTIDES ON POLYACRYLAMIDE GELS
CC/LIFE SCI, (6): 19-19 1981
Original Paper : Reisfeld R A, Lewis U J & Williams D E. Disk electrophoresis of basic proteins and peptides on polyacrylamide gels. Nature 195:281-3, 1962.
A1981KZ58200002

HARRIS, RK
CITATION CLASSIC - COMMENTS ON NMR-SPECTRA OF THE XNAA'XN' TYPE
CC/ENG TECH APPL SCI, (6): 18-18 1981
Original Paper : Harris R K. Comments on N.M.R. spectra of the Xn AA’ Xn’ type Can. J. Chem. 42:2275-81, 1964.
A1981KZ58100001

BRIX, H
CITATION CLASSIC - THE EFFECT OF WATER-STRESS ON THE RATES OF PHOTOSYNTHESIS AND RESPIRATION IN TOMATO PLANTS AND LOBLOLLY-PINE SEEDLINGS
CC/AGR BIOL ENVIRON, (5): 16-16 1981
Original Paper : Brix H. The effect of water stress on the rates of photosynthesis and respiration in tomato plants and loblolly pine seedlings. Physiol. Plant. 15:10-20, 1962.
A1981KY96200001

JACOBS, LS
CITATION CLASSIC - INCREASED SERUM PROLACTIN AFTER ADMINISTRATION OF SYNTHETIC THYROTROPIN RELEASING HORMONE (TRH) IN MAN
CC/CLIN PRACTICE, (5): 16-16 1981
Original Paper : Jacobs L S, Snyder P J, Wilber J F, Utiger R D & Daughaday W H. Increased serum prolactin after administration of synthetic thyrotropin releasing hormone (TRH) in man. J. Clin. Endocrinol. Metab. 33:996-8, 1971.
A1981KY96000001

GEAR, CW
CITATION CLASSIC - THE AUTOMATIC INTEGRATION OF ORDINARY DIFFERENTIAL-EQUATIONS
CC/ENG TECH APPL SCI, (5): 16-16 1981
Original Paper : Gear C W. The automatic integration of ordinary differential equations. Commun. ACM 14:176-9, 1971.
A1981KY95700001

RANDERATH, K
CITATION CLASSIC - ION-EXCHANGE CHROMATOGRAPHY OF NUCLEOTIDES ON POLY(ETHYLENEIMINE)-CELLULOSE THIN-LAYERS
CC/LIFE SCI, (5): 16-16 1981
Original Paper : Randerath K & Randerath E. Ion-exchange chromatography of nucleotides on poly (ethyleneimine)-cellulose thin layers. J. Chromatography 16:111-25, 1964.
A1981KY95600001

TRAUB, W
CITATION CLASSIC - THE CHEMISTRY AND STRUCTURE OF COLLAGEN CC/LIFE SCI, (5): 17-17 1981
Original Paper : Traub W & Piez K A. The chemistry and structure of collagen. Advan. Prot. Chem. 25:243-352, 1971.
A1981KY95600002

ENDT, PM; VANDERLEUN, C
CITATION CLASSIC - ENERGY-LEVELS OF Z = 11 - 21 NUCLEI (IV)
CC/PHYS CHEM EARTH, (5): 16-16 1981
Original Paper : Endt P M & van der Leun C. Energy levels of Z = 11 - 21 nuclei (IV). Nucl. Phys. A 105:1-488, 1967.
A1981KY95500001

DARLEY, JM
CITATION CLASSIC - BYSTANDER INTERVENTION IN EMERGENCIES - DIFFUSION OF RESPONSIBILITY
CC/SOC BEHAV SCI, (5): 16-16 1981
Original Paper : Darley J M & Latané B. Bystander intervention in emergencies: diffusion of responsibility. J. Personal. Soc. Psychol. 8:377-83, 1968.
A1981KY95400001

KORTSCHAK, HP
CITATION CLASSIC - CARBON-DIOXIDE FIXATION IN SUGARCANE LEAVES
CC/AGR BIOL ENVIRON, (4): 16-16 1981
Original Paper : Kortschak H P, Hartt C E & Burr G O. Carbon dioxide fixation in sugarcane leaves. Plant Physiol. 40:209-13, 1965.
A1981KX88900001

ERLANGER, BF
CITATION CLASSIC - THE PREPARATION AND PROPERTIES OF 2 NEW CHROMOGENIC SUBSTRATES OF TRYPSIN
CC/LIFE SCI, (4): 16-16 1981
Original Paper : Erlanger B F, Kokowsky N & Cohen W. The preparation and properties of two new chromogenic substrates of trypsin. Arch. Biochem. Biophys. 95:271-8, 1961.
A1981KX88800001

CRANEFIELD, PF
CITATION CLASSIC - ELECTROPHYSIOLOGY OF THE HEART
CC/LIFE SCI, (4): 17-17 1981
Original Paper : Hoffman B F & Cranefield P F. Electrophysiology of the heart. New York: McGraw Hill, 1960.
A1981KX88800002

COLGATE, SA
CITATION CLASSIC - THE HYDRODYNAMIC BEHAVIOR OF SUPER-NOVAE EXPLOSIONS
CC/PHYS CHEM EARTH, (4): 16-16 1981
Original Paper : Colgate S A & White R H. The hydrodynamic behavior of supernovae explosions. Astrophysical J. 143:626-81, 1966.
A1981KX88700001

MONCHICK, L; MASON, EA
CITATION CLASSIC - TRANSPORT-PROPERTIES OF POLAR GASES
CC/ENG TECH APPL SCI, (4): 16-16 1981
Original Paper : Monchick L & Mason E A. Transport properties of polar gases. J. Chem. Phys. 35:1676-97, 1961.
A1981KX88600001

DAVISON, GC
CITATION CLASSIC - SYSTEMATIC-DESENSITIZATION AS A COUNTERCONDITIONING PROCESS
CC/SOC BEHAV SCI, (4): 16-16 1980
Original Paper : Davison G C. Systematic desensitization as a counterconditioning process. J. Abnormal Psychol. 73:91-9, 1968.
A1980KX88500001

BAASTRUP, PC; SCHOU, M
CITATION CLASSIC - LITHIUM AS A PROPHYLACTIC AGENT - ITS EFFECT AGAINST RECURRENT DEPRESSIONS AND MANIC-DEPRESSIVE PSYCHOSIS
CC/CLIN PRACTICE, (4): 16-16 1981
Original Paper : Baastrup P C & Schou M. Lithium as a prophylactic agent: its effect against recurrent depressions and manic-depressive psychosis. Arch. Gen. Psychiat. 16:162-72, 1967.
A1981KX88400001

KNEUBUHL, FK
CITATION CLASSIC - LINE-SHAPES OF ELECTRON-PARAMAGNETIC RESONANCE SIGNALS PRODUCED BY POWDERS, GLASSES, AND VISCOUS-LIQUIDS
CC/PHYS CHEM EARTH, (3): 16-16 1981
Original Paper : Kneubühl F K. Line shapes of electron paramagnetic resonance signals produced by powders, glasses, and viscous liquids. J. Chem. Phys. 33:1074-8, 1960.
A1981KX03000001

MILBORROW, BV
CITATION CLASSIC - THE IDENTIFICATION OF (+)-ABSCISIN-II [(+)-DORMIN] IN PLANTS AND MEASUREMENT OF ITS CONCENTRATIONS
CC/AGR BIOL ENVIRON, (3): 16-16 1981
Original Paper : Milborrow B V. The identification of (+)-Abscisin II [(+)-Dormin] in plants and measurement of its concentrations. Planta 76:93-113, 1967.
A1981KX02900001

TROWELL, H
CITATION CLASSIC - ISCHEMIC-HEART-DISEASE AND DIETARY FIBER
CC/CLIN PRACTICE, (3): 16-16 1981
Original Paper : Trowell H. Ischemic heart disease and dietary fiber. Amer. J. Clin. Nutr. 25:926-32, 1972.
A1981KX02800001

VAN DEEMTER, JJ
CITATION CLASSIC - LONGITUDINAL DIFFUSION AND RESISTANCE TO MASS-TRANSFER AS CAUSES OF NON-IDEALITY IN CHROMATOGRAPHY
CC/ENG TECH APPL SCI, (3): 16-16 1981
Original Paper: van Deemter J J, Zuiderweg F J & Klinkenberg A. Longitudinal diffusion and resistance to mass transfer as causes of nonideality in chromatography. Chem. Eng. Sci. 5:271-89, 1956.
A1981KX02700001

SANGER, F
CITATION CLASSIC - TWO-DIMENSIONAL FRACTIONATION PROCEDURE FOR RADIOACTIVE NUCLEOTIDES
CC/LIFE SCI, (3): 16-16 1981
Original Paper : Sanger F, Brownlee G G & Barrell B G. A two-dimensional fractionation procedure for radioactive nucleotides. J. Mol. Biol. 13:373-98, 1965.
A1981KX02600001

MURPHY, BEP
CITATION CLASSIC - SOME STUDIES OF THE PROTEIN-BINDING OF STEROIDS AND THEIR APPLICATION TO THE ROUTINE MICRO AND ULTRAMICRO MEASUREMENT OF VARIOUS STEROIDS IN BODY-FLUIDS BY COMPETITIVE-PROTEIN-BINDING RADIOASSAY
CC/LIFE SCI, (3): 17-17 1981
Original Paper: Murphy B E P. Some studies of the protein-binding of steroids and their application to the routine micro and ultramicro measurement of various steroids in body fluids by competitive protein-binding radioassay. J. Clin. Endocrinol. Metab. 27:973-90, 1967.
A1981KX02600002

STUDDERT-KENNEDY, M; SHANKWEILER, D
CITATION CLASSIC - HEMISPHERIC-SPECIALIZATION FOR SPEECH-PERCEPTION
CC/SOC BEHAV SCI, (3): 16-16 1981
Original Paper : Studdert-Kennedy M & Shankweiler D. Hemispheric specialization for speech perception. J. Acoust. Soc. Amer. 48:579-94, 1970.
A1981KX02400001

SHERIF, CW
CITATION CLASSIC - ATTITUDE AND ATTITUDE-CHANGE - THE SOCIAL JUDGMENT-INVOLVEMENT APPROACH
CC/SOC BEHAV SCI, (2): 16-16 1981
Original Paper : Sherif C W, Sherif M & Nebergall R E. Attitude and attitude change. The social judgment-involvement approach. Philadelphia: W. B. Saunders, 1965.
A1981KV81800001

HOUSE, HO
CITATION CLASSIC - THE CHEMISTRY OF CARBANIONS .12. THE ROLE OF COPPER IN THE CONJUGATE ADDITION OF ORGANOMETALLIC REAGENTS
CC/PHYS CHEM EARTH, (2): 16-16 1981
Original Paper : House H O, Respess W L & Whitesides G M. The chemistry of carbanions. XII. The
role of copper in the conjugate addition of organometallic reagents. J. Org. Chem. 31:3128-41, 1966.
A1981KV81700001

METCALFE, LD
CITATION CLASSIC - THE RAPID PREPARATION OF FATTY-ACID ESTERS FOR GAS-CHROMATOGRAPHIC ANALYSIS
CC/LIFE SCI, (2): 16-16 1981
Original Paper : Metcalfe L D & Schmitz A A. The rapid preparation of fatty acid esters for gas chromatographic analysis. Anal. Chem. 33:363-4, 1961.
A1981KV81600001

GOLDSTEIN, H
CITATION CLASSIC - CLASSICAL MECHANICS
CC/ENG TECH APPL SCI, (2): 16-16 1981
Original Paper : Goldstein H. Classical mechanics. Cambridge, MA: Addison-Wesley, 1950.
A1981KV81500001

SKIPPER, HE
CITATION CLASSIC - EXPERIMENTAL EVALUATION OF POTENTIAL ANTI-CANCER AGENTS .13. ON THE CRITERIA AND KINETICS ASSOCIATED WITH CURABILITY OF EXPERIMENTAL LEUKEMIA
CC/CLIN PRACTICE, (2): 16-16 1981
Original Paper: Skipper H E, Schabel F M, Jr. & Wilcox W S. Experimental evaluation of potential anticancer agents. XIII. On the criteria and kinetics associated with “curability” of experimental leukemia. Cancer Chemother. Rep. 35:1-111, 1964.
A1981KV81400001

TREBST, A
CITATION CLASSIC - ENERGY-CONSERVATION IN PHOTOSYNTHETIC ELECTRON-TRANSPORT OF CHLOROPLASTS
CC/AGR BIOL ENVIRON, (2): 16-16 1981
Original Paper : Trebst A. Energy conservation in photosynthetic electron transport of chloroplasts. Annu. Rev. Plant Physiol. 25:423-58, 1974.
A1981KV81300001

ANTONOVICS, J
CITATION CLASSIC - HEAVY-METAL TOLERANCE IN PLANTS
CC/AGR BIOL ENVIRON, (1): 16-16 1981
Original Paper :Antonovics J, Bradshaw A D & Turner R G. Heavy metal tolerance in plants. Advctn. Ecol. Res. 7:1-85, 1971.
A1981KU62000001

NELSON, DH
CITATION CLASSIC - A METHOD FOR THE DETERMINATION OF 17-HYDROXYCORTICOSTEROIDS IN BLOOD - 17-HYDROXYCORTICOSTERONE IN THE PERIPHERAL-CIRCULATION
CC/CLIN PRACTICE, (1): 16-16 1981
Original Paper:  Nelson D H & Samuels L T. A method for the determination of 17-hydroxycortico-steroids in blood: 17-hydroxycorticosterone in the peripheral circulation. J. Clin. Endochnol. Metab. 12:519-26, 1952.
A1981KU61900001

DEVALOIS, RL
CITATION CLASSIC - ANALYSIS OF RESPONSE PATTERNS OF LGN CELLS
CC/ENG TECH APPL SCI, (1): 16-16 1981
Original Paper : De Valois R L, Abramov J & Jacobs G H. Analysis of response patterns of LGN cells. J. Opt. Soc. Amer. 56:966-77, 1966.
A1981KU61800001

GRAY, EG; WHITTAKER, VP
CITATION CLASSIC - THE ISOLATION OF NERVE-ENDINGS FROM BRAIN - AN ELECTRON-MICROSCOPIC STUDY OF CELL  FRAGMENTS DERIVED BY HOMOGENIZATION AND CENTRIFUGATION
CC/LIFE SCI, (1): 16-16 1981
Original Paper : Gray E G & Whittaker V P. The isolation of nerve endings from brain: an electronmicroscopic study of cell fragments derived by homogenization and centrifugation. J. Anat. Lond. 96:79-87, 1962.
A1981KU61700001

PHILLIPS, J
CITATION CLASSIC - IONICITY OF THE CHEMICAL-BOND IN CRYSTALS
CC/PHYS CHEM EARTH, (1): 16-16 1981
Original Paper : Phillips J C. Ionicity of the chemical bond in crystals. Rev. Mod. Phys. 42:317-56, 1970.
A1981KU61600001
DRAPER, NR
CITATION CLASSIC - APPLIED REGRESSION-ANALYSIS
CC/SOC BEHAV SCI, (1): 16-16 1981
Original Paper : Draper N R & Smith H. Applied regression analysis. New York: Wiley, 1966.
A1981KU61500001