https://cel.archives-ouvertes.fr/cel-00520586
Contributor : Nicolas Fressengeas <>
Submitted on : Thursday, September 23, 2010 - 4:45:57 PM Last modification on : Friday, April 10, 2020 - 2:10:21 AM Long-term archiving on: : Thursday, October 25, 2012 - 11:25:30 AM