https://cel.archives-ouvertes.fr/cel-00526304 Contributor : Georges MartinConnect in order to contact the contributor Submitted on : Thursday, October 14, 2010 - 11:36:03 AM Last modification on : Sunday, June 26, 2022 - 9:39:27 AM Long-term archiving on: : Friday, December 2, 2016 - 1:00:12 PM