DOI:https://doi.org/10.1103/PhysRevLett.14.989
©1965 American Physical Society
Ugo Camerini, Ronald L. Hantman, Robert H. March, and David Murphree
George Gidal*, George E. Kalmus, Wilson M. Powell, Robert T. Pu, and Carl L. Sandler
Sergio Natali and Matteo Villani
Vol. 14, Iss. 24 — 14 June 1965
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