http://hal.in2p3.fr/in2p3-00021901 Contributor : Lpsc BibliothequeConnect in order to contact the contributor Submitted on : Monday, June 7, 2004 - 3:02:14 PM Last modification on : Thursday, November 19, 2020 - 12:58:39 PM Long-term archiving on: : Thursday, April 1, 2010 - 11:38:31 AM