https://hal-amu.archives-ouvertes.fr/hal-03236426 Contributor : Bruno ViardConnect in order to contact the contributor Submitted on : Thursday, May 27, 2021 - 10:12:27 AM Last modification on : Sunday, June 26, 2022 - 10:16:19 AM Long-term archiving on: : Saturday, August 28, 2021 - 6:07:44 PM