https://hal.univ-reims.fr/hal-02017712 Contributor : François ManceboConnect in order to contact the contributor Submitted on : Wednesday, February 13, 2019 - 12:23:01 PM Last modification on : Thursday, October 14, 2021 - 1:10:07 PM Long-term archiving on: : Tuesday, May 14, 2019 - 7:18:00 PM