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Volume 15(4);  April 15, 1929
Astronomy
ON THE STABILITY OF GASEOUS STELLAR STRUCTURES
B. P. Gerasimovič
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 347–353.
PMCID: PMC522463
Chemistry
RAMAN SPECTRA OF SOLUTIONS OF SOME IONIZED SUBSTANCES
Roscoe G. Dickinson and Robert T. Dillon
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 334–337.
PMCID: PMC522458
THE CRYSTAL STRUCTURE OF STRONTIUM
A. J. King
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 337–338.
PMCID: PMC522459
Genetics
SELECTIVE SEGREGATION OF CHROMOSOMES IN MALES OF A THIRD SPECIES OF SCIARA
Chas. W. Metz
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 339–343.
PMCID: PMC522460
THE OCCURRENCE OF CHROMOSOME VARIANTS IN NICOTIANA ALATA LK. ET OTTO
Thomas Harper Goodspeed and Priscilla Avery
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 343–345.
PMCID: PMC522461
Geology and Paleontology
AN EOGENE TROPICAL FOREST IN THE PERUVIAN DESERT
Edward W. Berry
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 345–346.
PMCID: PMC522462
Mathematics
ON THE SPHERICALLY SYMMETRICAL STATICAL FIELD IN EINSTEIN'S UNIFIED THEORY OF ELECTRICITY AND GRAVITATIONS
N. Wiener and M. S. Vallarta
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 353–356.
PMCID: PMC522464
UNIMOLECULAR REACTIONS
D. G. Bourgin
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 357–362.
PMCID: PMC522465
A GENERALIZATION OF ROLLE'S THEOREM WITH APPLICATION TO ENTIRE FUNCTIONS
J. Dieudonné
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 362–367.
PMCID: PMC522466
DUALITY RELATIONS IN TOPOLOGY
S. Lefschetz
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 367–369.
PMCID: PMC522467
GROUPS WHICH ADMIT THREE-FOURTHS AUTOMORPHISMS
G. A. Miller
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 369–372.
PMCID: PMC522468
THE RANK FUNCTION OF ANY SIMPLE ALGEBRA
A. Adrian Albert
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 372–376.
PMCID: PMC522469
CONFORMAL GEOMETRY OF GENERALIZED METRIC SPACES
M. S. Knebelman
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 376–379.
PMCID: PMC522470
Physics
ON THE POSSIBLE LINE ELEMENTS FOR THE UNIVERSE
Richard C. Tolman
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 297–304.
PMCID: PMC522452
THE EXISTENCE OF RADIOACTIVE RECOIL IONS OF HIGH MOBILITY
Lora Lane Loeb and Leonard B. Loeb
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 305–310.
PMCID: PMC522453
AN INTENSITY GAUGE FOR “SUPERSONIC” RADIATION IN LIQUIDS
William T. Richards
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 310–314.
PMCID: PMC522454
HYDROGEN-ION WAVE FUNCTION
V. Guillemin, Jr. and C. Zener
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 314–318.
PMCID: PMC522455
LATENT CARRIERS OF ELECTRICITY IN THE GASEOUS DISCHARGE
S. A. Ratner
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 318–323.
PMCID: PMC522456
GRAVITATION AND THE ELECTRON
Hermann Weyl
Proc Natl Acad Sci U S A. 1929 April 15; 15(4): 323–334.
PMCID: PMC522457
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