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Volume 40(2);  February 1954
The cover of the journal
Bacteriology
CYCLICAL BEHAVIOR IN PNEUMOCOCCAL GROWTH AND TRANSFORMABILITY OCCASIONED BY ENVIRONMENTAL CHANGES
Rollin D. Hotchkiss
Proc Natl Acad Sci U S A. 1954 February; 40(2): 49–55.
PMCID: PMC527939
DOUBLE MARKER TRANSFORMATIONS AS EVIDENCE OF LINKED FACTORS IN DESOXYRIBONUCLEATE TRANSFORMING AGENTS
Rollin D. Hotchkiss and J. Marmur
Proc Natl Acad Sci U S A. 1954 February; 40(2): 55–60.
PMCID: PMC527940
Biochemistry
THE ISOLATION AND IDENTIFICATION OF THE MAJOR ANION FRACTION OF THE AXOPLASM OF SQUID GIANT NERVE FIBERS
Bernard A. Koechlin
Proc Natl Acad Sci U S A. 1954 February; 40(2): 60–62.
PMCID: PMC527941
Chemistry
DIELECTRIC INCREMENTS IN AQUEOUS SOLUTIONS OF SYNTHETIC POLYELECTROLYTES
Howard M. Dintzis, J. L. Oncley, and Raymond M. Fuoss
Proc Natl Acad Sci U S A. 1954 February; 40(2): 62–70.
PMCID: PMC527942
THE RATES OF REACTION BETWEEN ALKYL HALIDES AND TERTIARY AMINES AS DETERMINED CONDUCTOMETRICALLY
Robert P. Larsen and Charles A. Kraus
Proc Natl Acad Sci U S A. 1954 February; 40(2): 70–76.
PMCID: PMC527943
Engineering
SONIC POINT ON SUPERSONIC AIRFOILS
T. Y. Thomas
Proc Natl Acad Sci U S A. 1954 February; 40(2): 76–83.
PMCID: PMC527944
REAR SHOCK AND PRESSURE ON SUPERSONIC AIRFOILS
W. F. Brown and T. Y. Thomas
Proc Natl Acad Sci U S A. 1954 February; 40(2): 83–87.
PMCID: PMC527945
Genetics
GENETIC CHANGES IN AMERICAN POPULATIONS OF DROSOPHILA MELANOGASTER
P. T. Ives
Proc Natl Acad Sci U S A. 1954 February; 40(2): 87–92.
PMCID: PMC527946
PSEUDO-ALLELISM AT THE VERMILION LOCUS IN DROSOPHILA MELANOGASTER
M. M. Green
Proc Natl Acad Sci U S A. 1954 February; 40(2): 92–99.
PMCID: PMC527947
Geophysics
NUMERICAL PREDICTION OF CYCLOGENESIS
J. G. Charney
Proc Natl Acad Sci U S A. 1954 February; 40(2): 99–110.
PMCID: PMC527948
Mathematics
ARITHMETIC GENERA AND THE THEOREM OF RIEMANN-ROCH FOR ALGEBRAIC VARIETIES
Friedrich Hirzebruch
Proc Natl Acad Sci U S A. 1954 February; 40(2): 110–114.
PMCID: PMC527949
ON THE CONTINUOUS GOLD-MINING EQUATION
Richard Bellman and Sherman Lehman
Proc Natl Acad Sci U S A. 1954 February; 40(2): 115–119.
PMCID: PMC527950
ON A PARTICULAR TYPE OF CONVERGENCE TO A SINGULAR MATRIX
E. Inonu and E. P. Wigner
Proc Natl Acad Sci U S A. 1954 February; 40(2): 119–121.
PMCID: PMC527951
ON NON-NEGATIVE-VALUED MATRICES
Y. K. Wong
Proc Natl Acad Sci U S A. 1954 February; 40(2): 121–124.
PMCID: PMC527952
Physics
SOME RELATIONS FOR CRYSTALS WITH SUBSTRUCTURES
M. J. Buerger
Proc Natl Acad Sci U S A. 1954 February; 40(2): 125–128.
PMCID: PMC527953
ON DIFFRACTION BY A STRIP
A. Erdelyi and C. H. Papas
Proc Natl Acad Sci U S A. 1954 February; 40(2): 128–132.
PMCID: PMC527954
THE QUANTUM CORRECTION IN THE RADIATION BY ENERGETIC ACCELERATED ELECTRONS
Julian Schwinger
Proc Natl Acad Sci U S A. 1954 February; 40(2): 132–136.
PMCID: PMC527955
Journal Matter
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