https://hal.univ-reims.fr/hal-02919858 Contributor : Xavier CoqueretConnect in order to contact the contributor Submitted on : Friday, February 19, 2021 - 3:09:59 PM Last modification on : Tuesday, February 1, 2022 - 1:40:02 AM Long-term archiving on: : Thursday, May 20, 2021 - 7:42:02 PM