A Comment on the Letter by E. G. Adelberger et al., Phys. Rev. Lett. 66, 850 (1991).
DOI:https://doi.org/10.1103/PhysRevLett.67.1048
©1991 American Physical Society
T. Goldman, Michael Martin Nieto, M. H. Holzscheiter, T. W. Darling, Martin Schauer, and Jay Schecker
Vol. 67, Iss. 8 — 19 August 1991
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