https://hal-iogs.archives-ouvertes.fr/hal-03049356 Contributor : Christophe SauvanConnect in order to contact the contributor Submitted on : Wednesday, December 9, 2020 - 6:42:39 PM Last modification on : Tuesday, January 4, 2022 - 6:06:59 AM Long-term archiving on: : Wednesday, March 10, 2021 - 7:59:46 PM