A Comment on the Letter by Werner Vogel, Phys. Rev. Lett. 84, 1849 (2000). The authors of the Letter offer a Reply.
DOI:https://doi.org/10.1103/PhysRevLett.85.2841
©2000 American Physical Society
Lajos Diósi*
Vol. 85, Iss. 13 — 25 September 2000
Sign up to receive regular email alerts from Physical Review Letters