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Table of Contents

August 01, 1948; vol. 34 no. 8

Astronomy

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Radial Oscillations of the Limiting Models of Polytropic Gas Spheres
Zdenĕk Kopal

PNAS August 1, 1948 34 (8) 377-384; https://doi.org/10.1073/pnas.34.8.377

Chemistry

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Effects of Different Protein and Riboflavin Contents of Diet upon the Chemical Composition of the Body
Henry C. Sherman and Mildred S. Ragan

PNAS August 1, 1948 34 (8) 384-387; https://doi.org/10.1073/pnas.34.8.384

Genetics

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On the Frequency and Transmitted Chromosome Alterations and Gene Mutations Induced by Atomic Bomb Radiations in Maize
E. G. Anderson

PNAS August 1, 1948 34 (8) 387-390; https://doi.org/10.1073/pnas.34.8.387
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The Relation Between Nicotinic Acid and Carbohydrates in a Series of Maize Endosperm Genotypes
James W. Cameron and H. J. Teas

PNAS August 1, 1948 34 (8) 390-398; https://doi.org/10.1073/pnas.34.8.390
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A Gene-Controlled Reaction in Neurospora Involving the Synthesis of Pantothenic Acid
Robert P. Wagner and Beverly M. Guirard

PNAS August 1, 1948 34 (8) 398-402; https://doi.org/10.1073/pnas.34.8.398

Mathematics

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Multiplicative Systems
C. J. Everett and S. Ulam

PNAS August 1, 1948 34 (8) 403-405; https://doi.org/10.1073/pnas.34.8.403
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On the Zeros of the Derivative of an Entire Function of Finite Genre
Morris Marden

PNAS August 1, 1948 34 (8) 405-407; https://doi.org/10.1073/pnas.34.8.405
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Twenty Exact Factorials Between 304! and 401!
Horace S. Uhler

PNAS August 1, 1948 34 (8) 407-412; https://doi.org/10.1073/pnas.34.8.407

Zoology

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The Determination of Hereditary Antigenic Differences in Genically Identical Paramecium Cells
T. M. Sonneborn

PNAS August 1, 1948 34 (8) 413-418; https://doi.org/10.1073/pnas.34.8.413
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The Process of Transformation of Antigenic Type in Paramecium Aurelia, Variety 4
G. H. Beale

PNAS August 1, 1948 34 (8) 418-423; https://doi.org/10.1073/pnas.34.8.418

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