DOI:https://doi.org/10.1103/PhysRevLett.9.405
©1962 American Physical Society
P. E. Argan
G. Bendiscioli and A. Piazzoli
V. Bisi, M. I. Ferrero, and G. Piragino
Vol. 9, Iss. 9 — 1 November 1962
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