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Volume 31(8);  August 1945
The cover of the journal
Bacteriology
X-Ray Induced Mutant Strains of Escherichia Coli
E. L. Tatum
Proc Natl Acad Sci U S A. 1945 August; 31(8): 215–219.
PMCID: PMC1078806
Carbon Dioxide Utilization in the Synthesis of Acetic Acid by Clostridium Thermoaceticum
H. A. Barker and M. D. Kamen
Proc Natl Acad Sci U S A. 1945 August; 31(8): 219–225.
PMCID: PMC1078807
Mathematics
On Plateau's Problem with Free Boundaries
R. Courant
Proc Natl Acad Sci U S A. 1945 August; 31(8): 242–246.
PMCID: PMC1078811
The Laplace Equation in Space
Edward Kasner and John De Cicco
Proc Natl Acad Sci U S A. 1945 August; 31(8): 247–249.
PMCID: PMC1078812
Algebraic Curves, Symmetries and Satellites
Edward Kasner
Proc Natl Acad Sci U S A. 1945 August; 31(8): 250–252.
PMCID: PMC1078813
Differential Equations in Fréchet Differentials Occurring in Integral Equations
Aristotle D. Michal
Proc Natl Acad Sci U S A. 1945 August; 31(8): 252–258.
PMCID: PMC1078814
On the Projective Theory of Two Dimensional Riemann Spaces
T. Y. Thomas
Proc Natl Acad Sci U S A. 1945 August; 31(8): 259–261.
PMCID: PMC1078815
On Convergence in Length
Miriam C. Ayer
Proc Natl Acad Sci U S A. 1945 August; 31(8): 261–266.
PMCID: PMC1078816
Physics
The Crystalline Phases of Soap
M. J. Buerger, L. B. Smith, F. V. Ryer, and J. E. Spike, Jr.
Proc Natl Acad Sci U S A. 1945 August; 31(8): 226–233.
PMCID: PMC1078808
Willard Gibbs on Soaring Flight
Edwin B. Wilson
Proc Natl Acad Sci U S A. 1945 August; 31(8): 233–235.
PMCID: PMC1078809
Physiology
Effects of Exposure to Ultra-Violet Light on Visual Thresholds
Ernst Wolf
Proc Natl Acad Sci U S A. 1945 August; 31(8): 236–241.
PMCID: PMC1078810
Journal Matter
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