https://hal.univ-reims.fr/hal-02508531 Contributor : BU de Reims Champagne-ArdenneConnect in order to contact the contributor Submitted on : Saturday, March 14, 2020 - 8:51:08 PM Last modification on : Thursday, October 14, 2021 - 1:10:07 PM Long-term archiving on: : Monday, June 15, 2020 - 1:11:01 PM