Nobel Prize Addendum

Concerning last week's item on the 2001 physics prize (Update 560), here are a few references to some of the prominent articles concerning Bose-Einstein condensates published in Physical Review Letters in recent years: first lithium BEC, Bradley et al., 28 August 1995; first sodium BEC (Ketterle), Davis et al., 27 November 1995; first hydrogen BEC, Fried et al., 2 November 1998; helium BEC, Pereira Dos Santos et al., 16 April 2001; realization of an atom laser, Mewes et al., 27 January 1997; superfluid properties seen in BEC, Onofrio et al.,11 September 2000; first all-optical BEC, Barrett et al., 2 July 2001.