DOI:https://doi.org/10.1103/PhysRevLett.1.377
©1958 American Physical Society
Frank S. Crawford, Jr., Marcello Cresti*, Myron L. Good, George R. Kalbfleisch, M. Lynn Stevenson, and Harold K. Ticho†
Vol. 1, Iss. 10 — 15 November 1958
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