DOI:https://doi.org/10.1103/PhysRevLett.50.1957
©1983 American Physical Society
W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner
Vol. 50, Iss. 24 — 13 June 1983
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