DOI:https://doi.org/10.1103/PhysRevLett.18.86
©1967 American Physical Society
David J. Crennell, George R. Kalbfleisch, Kwan Wu Lai, J. Michael Scarr, Thomas G. Schumann, Ian O. Skillicorn, and Medford S. Webster
Vol. 18, Iss. 3 — 16 January 1967
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