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Table of Contents

September 01, 1928; vol. 14 no. 9

Physics

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Intensities of K-Series X-Rays from Thin Targets
D. L. Webster, H. Clark, R. M. Yeatman, and W. W. Hansen

PNAS September 1, 1928 14 (9) 679-686; https://doi.org/10.1073/pnas.14.9.679
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The Spectrum of the Hydrogen Molecular Ion
C. J. Brasefield

PNAS September 1, 1928 14 (9) 686-689; https://doi.org/10.1073/pnas.14.9.686
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Further Remarks on the Second Law of Thermodynamics in General Relativity
Richard C. Tolman

PNAS September 1, 1928 14 (9) 701-706; https://doi.org/10.1073/pnas.14.9.701
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Series Spectra of Cadmium-Like Atoms
J. B. Green and R. J. Lang

PNAS September 1, 1928 14 (9) 706-710; https://doi.org/10.1073/pnas.14.9.706

Chemistry

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The Absorption Spectrum of Nitrogen Dioxide
Louis Harris

PNAS September 1, 1928 14 (9) 690-694; https://doi.org/10.1073/pnas.14.9.690
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The Relation of Hydrolysis to the Validity of Beer's Law
R. C. Gibbs and C. V. Shapiro

PNAS September 1, 1928 14 (9) 694-700; https://doi.org/10.1073/pnas.14.9.694

Botany

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The Hypostase
Donald A. Johansen

PNAS September 1, 1928 14 (9) 710-713; https://doi.org/10.1073/pnas.14.9.710

ZoÃ¶logy

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Glycogen as a Means of Ciliary Reversal
G. H. Parker

PNAS September 1, 1928 14 (9) 713-714; https://doi.org/10.1073/pnas.14.9.713
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The Production of Mutations by X-Rays
H. J. Muller

PNAS September 1, 1928 14 (9) 714-726; https://doi.org/10.1073/pnas.14.9.714

Mathematics

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On the Roots of the Derivative of a Polynomial
Morris Marden

PNAS September 1, 1928 14 (9) 726-727; https://doi.org/10.1073/pnas.14.9.726
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Concerning the ^*[unk] Group of Transformations
Tracy Yerkes Thomas

PNAS September 1, 1928 14 (9) 728-734; https://doi.org/10.1073/pnas.14.9.728
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Conformal Tensors and Connections
Oswald Veblen

PNAS September 1, 1928 14 (9) 735-745; https://doi.org/10.1073/pnas.14.9.735
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The Group Manifold of Finite Continuous Point and Functional Transformation Groups
Aristotle D. Michal

PNAS September 1, 1928 14 (9) 746-754; https://doi.org/10.1073/pnas.14.9.746

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