https://hal-univ-paris8.archives-ouvertes.fr/hal-02514545 Contributor : Fagnart ClaireConnect in order to contact the contributor Submitted on : Sunday, March 22, 2020 - 4:25:21 PM Last modification on : Friday, May 13, 2022 - 5:32:01 PM Long-term archiving on: : Tuesday, June 23, 2020 - 1:28:27 PM