https://hal-insu.archives-ouvertes.fr/insu-00848089 Contributor : Pascale TalourConnect in order to contact the contributor Submitted on : Thursday, July 25, 2013 - 2:03:55 PM Last modification on : Friday, February 11, 2022 - 1:02:02 PM Long-term archiving on: : Wednesday, April 5, 2017 - 4:44:41 PM