DOI:https://doi.org/10.1103/PhysRevLett.51.2020
©1983 American Physical Society
A. J. Epstein, H. Rommelmann, R. Bigelow, and H. W. Gibson
D. M. Hoffman
D. B. Tanner
Vol. 51, Iss. 21 — 21 November 1983
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