https://archivesic.ccsd.cnrs.fr/hal-03123285 Contributor : François GibierConnect in order to contact the contributor Submitted on : Tuesday, February 16, 2021 - 11:59:04 AM Last modification on : Monday, January 17, 2022 - 10:26:05 AM Long-term archiving on: : Monday, May 17, 2021 - 6:03:18 PM