http://hal.in2p3.fr/in2p3-00021988 Contributor : Lpsc BibliothequeConnect in order to contact the contributor Submitted on : Wednesday, June 30, 2004 - 8:44:18 AM Last modification on : Thursday, November 19, 2020 - 12:58:39 PM Long-term archiving on: : Thursday, April 1, 2010 - 2:33:19 PM