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The day or the second?

MAY 01, 1969

DOI: 10.1063/1.3035568

J. A. Perry

William Blitzstein

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More about the authors

J. A. Perry, Rochester, N.Y..

William Blitzstein, University of Pennsylvania.

© 1969 American Institute of Physics

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This Content Appeared In

Volume 22, Number 5

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