https://hal.univ-reims.fr/hal-02473536 Contributor : BU de Reims Champagne-ArdenneConnect in order to contact the contributor Submitted on : Monday, February 10, 2020 - 5:40:47 PM Last modification on : Thursday, October 14, 2021 - 1:10:07 PM Long-term archiving on: : Monday, May 11, 2020 - 4:32:49 PM