https://hal-insu.archives-ouvertes.fr/insu-00848253 Contributor : Pascale TalourConnect in order to contact the contributor Submitted on : Thursday, July 25, 2013 - 4:59:07 PM Last modification on : Tuesday, December 24, 2019 - 10:30:06 AM Long-term archiving on: : Saturday, October 26, 2013 - 4:27:35 AM