DOI:https://doi.org/10.1103/PhysRevLett.15.214
©1965 American Physical Society
R. F. George, K. F. Riley, and R. J. Tapper
D. V. Bugg, D. C. Salter, and G. H. Stafford
Vol. 15, Iss. 5 — 2 August 1965
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