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Volume 14(12);  December 1928
Astronomy
Studies of the Galactic Center: III. The Absolute Magnitudes of Long Period Variables
Harlow Shapley
Proc Natl Acad Sci U S A. 1928 December; 14(12): 958–962.
PMCID: PMC1085812
The Absolute Magnitudes of Long Period Variable Stars
B. P. Gerasimovič
Proc Natl Acad Sci U S A. 1928 December; 14(12): 963–968.
PMCID: PMC1085813
Biology
The Form of the Growth Curve of the Canteloup (Cucumis Melo) under Field Conditions
Raymond Pearl, Charles P. Winsor, and Florence Barclay White
Proc Natl Acad Sci U S A. 1928 December; 14(12): 895–901.
PMCID: PMC1085793
Chemistry
The Relation between Polarization and Association
John Warren Williams
Proc Natl Acad Sci U S A. 1928 December; 14(12): 932–936.
PMCID: PMC1085805
pH Measurement with the Glass Electrode and Vacuum Tube Potentiometer
L. W. Elder, Jr. and W. H. Wright
Proc Natl Acad Sci U S A. 1928 December; 14(12): 936–939.
PMCID: PMC1085806
Genetics
A Cross-over between the Genes for Short-Ear and Density in the House Mouse
George D. Snell
Proc Natl Acad Sci U S A. 1928 December; 14(12): 926–928.
PMCID: PMC1085802
Evidence that the Female Is Responsible for the Sex Ratio in Sciara (Diptera)
Mildred S. Moses and Chas. W. Metz
Proc Natl Acad Sci U S A. 1928 December; 14(12): 928–930.
PMCID: PMC1085803
Observations on Sex-Ratio Determination in Sciara (Diptera)
Chas. W. Metz and Mildred S. Moses
Proc Natl Acad Sci U S A. 1928 December; 14(12): 930–932.
PMCID: PMC1085804
Mathematics
Invariant Sequences
E. T. Bell
Proc Natl Acad Sci U S A. 1928 December; 14(12): 901–904.
PMCID: PMC1085794
Normal Division Algebras Satisfying Mild Assumptions
A. Adrian Albert
Proc Natl Acad Sci U S A. 1928 December; 14(12): 904–906.
PMCID: PMC1085795
The Group of the Rank Equation of Any Normal Division Algebra
A. Adrian Albert
Proc Natl Acad Sci U S A. 1928 December; 14(12): 906–907.
PMCID: PMC1085796
Postulates for an Abstract Arithmetic
Morgan Ward
Proc Natl Acad Sci U S A. 1928 December; 14(12): 907–911.
PMCID: PMC1085797
On the Characteristic Values of Linear Integral Equations
Einar Hille and J. D. Tamarkin
Proc Natl Acad Sci U S A. 1928 December; 14(12): 911–914.
PMCID: PMC1085798
On the Summability of Fourier Series
Einar Hille and J. D. Tamarkin
Proc Natl Acad Sci U S A. 1928 December; 14(12): 915–918.
PMCID: PMC1085799
Groups Involving a Cyclic, a Dicyclic, or a Dihedral Group as an Invariant Subgroup of Prime Index
G. A. Miller
Proc Natl Acad Sci U S A. 1928 December; 14(12): 918–921.
PMCID: PMC1085800
Physics
Chemical Reaction in the Interferometer U-Gauge
Carl Barus
Proc Natl Acad Sci U S A. 1928 December; 14(12): 939–943.
PMCID: PMC1085807
Resistance and Thermo-Electric Phenomena in Metal Crystals
P. W. Bridgman
Proc Natl Acad Sci U S A. 1928 December; 14(12): 943–946.
PMCID: PMC1085808
Angular Distribution of Intensity of Resonance Radiation
Ronald W. Gurney
Proc Natl Acad Sci U S A. 1928 December; 14(12): 946–951.
PMCID: PMC1085809
Some Multiplets of Singly Ionized Thallium
Stanley Smith
Proc Natl Acad Sci U S A. 1928 December; 14(12): 951–953.
PMCID: PMC1085810
The Influence of the Presence of Hydrogen on the L111 X-ray Absorption Edge of Palladium
J. D. Hanawalt
Proc Natl Acad Sci U S A. 1928 December; 14(12): 953–958.
PMCID: PMC1085811
Zoölogy
The Weight-Length Relation in Fishes
Ancel B. Keys
Proc Natl Acad Sci U S A. 1928 December; 14(12): 922–925.
PMCID: PMC1085801
Journal Matter
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