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Volume 7(10);  October 1921
The cover of the journal
Mathematics
The Average of an Analytic Functional and the Brownian Movement
Norbert Wiener
Proc Natl Acad Sci U S A. 1921 October; 7(10): 294–298.
PMCID: PMC1084901
An Integral Equality and its Applications
Einar Hille
Proc Natl Acad Sci U S A. 1921 October; 7(10): 303–305.
PMCID: PMC1084903
Physics
The Evaluation of Quantum Integrals
Edwin C. Kemble
Proc Natl Acad Sci U S A. 1921 October; 7(10): 283–288.
PMCID: PMC1084899
The Further Extension of the Ultra-violet Spectrum and the Progression with Atomic Number of the Spectra of Light Elements
R. A. Millikan
Proc Natl Acad Sci U S A. 1921 October; 7(10): 289–294.
PMCID: PMC1084900
Measurements of the Deviation from Ohm's Law in Metals at High Current Densities
P. W. Bridgman
Proc Natl Acad Sci U S A. 1921 October; 7(10): 299–303.
PMCID: PMC1084902
Journal Matter
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