A Comment on the Letter by H. B. Shore and J. H. Rose, Phys. Rev. Lett. 66, 2519 (1991).
DOI:https://doi.org/10.1103/PhysRevLett.67.3044
©1991 American Physical Society
José M. Soler
Vol. 67, Iss. 21 — 18 November 1991
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