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Volume 16(4);  April 15, 1930
Astronomy
THE VELOCITIES OF B-TYPE STARS
Jan Schilt
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 263–268.
PMCID: PMC526628
Chemistry
THE INFLUENCE ON THE IDEAL SOLUTION LAWS OF THE DISTRIBUTION OF POLARITY WITHIN THE MOLECULE
J. H. Hildebrand and J. M. Carter
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 285–288.
PMCID: PMC526631
PENTAVALENT NITROGEN IN ORGANIC COMPOUNDS
Wilder D. Bancroft and C. E. Barnett
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 288–293.
PMCID: PMC526632
THE TAUTOMERIC FORM OF MALIC ACID
Wilder D. Bancroft and Herbert L. Davis
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 293–296.
PMCID: PMC526633
Genetics
GENETICAL AND CYTOLOGICAL STUDIES OF SEMISTERILITY AND RELATED PHENOMENA IN MAIZE
C. R. Burnham
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 269–277.
PMCID: PMC526629
EVIDENCE THAT NATURAL RADIOACTIVITY IS INADEQUATE TO EXPLAIN THE FREQUENCY OF “NATURAL” MUTATIONS
H. J. Muller and L. M. Mott-Smith
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 277–285.
PMCID: PMC526630
Mathematics
ON THE OVERCONVERGENCE OF SEQUENCES OF POLYNOMIALS OF BEST APPROXIMATION
J. L. Walsh
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 297.
PMCID: PMC526634
SUMMARY OF RESULTS AND PROOFS ON FERMAT'S LAST THEOREM: (Fifth Paper)
H. S. Vandiver
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 298–304.
PMCID: PMC526635
GROUPS GENERATED BY TWO GIVEN GROUPS
G. A. Miller
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 305–308.
PMCID: PMC526636
ON THE STRUCTURE OF PURE RIEMANN MATRICES WITH NON-COMMUTATIVE MULTIPLICATION ALGEBRAS
A. Adrian Albert
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 308–312.
PMCID: PMC526637
ON DIRECT PRODUCTS, CYCLIC DIVISION ALGEBRAS, AND PURE RIEMANN MATRICES
A. Adrian Albert
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 313–315.
PMCID: PMC526638
Physics
THE NEAR INFRA-RED ABSORPTION SPECTRUM OF CALCITE
Joseph W. Ellis
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 315–320.
PMCID: PMC526639
THE EFFECT OF THE ANNIHILATION OF MATTER ON THE WAVE-LENGTH OF LIGHT FROM THE NEBULAE
Richard C. Tolman
Proc Natl Acad Sci U S A. 1930 April 15; 16(4): 320–337.
PMCID: PMC526640
Journal Matter
Administrative content — journal masthead, notices, indexes, etc.
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