pmc logo imageJournal ListSearchpmc logo image
Logo of pnasPNAS Home page.PNAS Editorial BoardPNAS AboutPNAS SubscriptionsPNAS Info for Authors
This journal provides immediate access to some articles.
Other Issues:  previous | next | latest | archive
Volume 16(7);  July 15, 1930
The cover of the journal
Astronomy
ON THE SYSTEMATIC AND ACCIDENTAL ERRORS OF MODERN TRIGONOMETRIC PARALLAXES
Willem J. Luyten
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 464–473.
PMCID: PMC526672
ON THE DISTANCES AND RADIAL VELOCITIES OF EXTRA-GALACTIC NEBULAE, AND THE EXPLANATION OF THE LATTER BY THE RELATIVITY THEORY OF INERTIA
W. de Sitter
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 474–488.
PMCID: PMC526673
Chemistry
THE STRUCTURE OF SOME SODIUM AND CALCIUM ALUMINOSILICATES
Linus Pauling
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 453–459.
PMCID: PMC526670
Mathematics
THE CELLULAR DIVISION AND APPROXIMATION OF REGULAR SPREADS
S. S. Cairns
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 488–491.
PMCID: PMC526674
NORMAL COÖRDINATES IN THE GEOMETRY OF PATHS
Harry Levy
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 492–496.
PMCID: PMC526675
Physics
THE CRYSTAL CLOCK
W. A. Marrison
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 496–507.
PMCID: PMC526676
THE BAND SPECTRUM OF OZONE IN THE VISIBLE AND PHOTOGRAPHIC INFRA-RED
Oliver R. Wulf
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 507–511.
PMCID: PMC526677
ON THE ESTIMATION OF DISTANCES IN A CURVED UNIVERSE WITH A NON-STATIC LINE ELEMENT
Richard C. Tolman
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 511–520.
PMCID: PMC526678
Physiology and Pathology
THE DEMONSTRATION THAT ALLERGIC INFLAMMATION IS NOT NECESSARY FOR THE OPERATION OF ACQUIRED IMMUNITY
Arnold Rice Rich
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 460–464.
PMCID: PMC526671
Zoölogy
EXPERIMENTS IN BIRD MIGRATION. II. REVERSED MIGRATION
William Rowan
Proc Natl Acad Sci U S A. 1930 July 15; 16(7): 520–525.
PMCID: PMC526679
Journal Matter
Administrative content — journal masthead, notices, indexes, etc.
Other Issues:  previous | next | latest | archive
Articles from Proceedings of the National Academy of Sciences of the United States of America are provided here courtesy of
National Academy of Sciences