as quoted by James Glanz, in Leonard Mandel, 73, Revealer Of Light's Weirdness, Is Dead http://www.nytimes.com/2001/02/13/nyregion/leonard-mandel-73-revealer-of-light-s-weirdness-is-dead.html?sec=&spon=, New York Times (Tuesday, February 13, 2001)
Leonard Mandel: Frases em inglês
as quoted by John Hogan, in Quantum Philosophy, Scientific American (July 1992)
while explaining crystal structure to college students, as quoted in Ping-Pong makes physics come alive http://news.google.com/newspapers?nid=336&dat=19890319&id=wgMPAAAAIBAJ&sjid=P4QDAAAAIBAJ&pg=4397,1638268, The Deseret News (March 19, 1989)