DOI:https://doi.org/10.1103/PhysRevLett.3.291
©1959 American Physical Society
M. M. Block*, E. B. Brucker, I. S. Hughes†, T. Kikuchi, and C. Meltzer
F. Anderson‡ and A. Pevsner
E. M. Harth and J. Leitner
H. O. Cohn
Vol. 3, Iss. 6 — 15 September 1959
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