DOI:https://doi.org/10.1103/PhysRevLett.11.425
©1963 American Physical Society
K. J. Foley, S. J. Lindenbaum, W. A. Love, S. Ozaki, J. J. Russell, and L. C. L. Yuan
Vol. 11, Iss. 9 — 1 November 1963
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