https://hal.univ-lorraine.fr/tel-01748856 Contributor : Thèses ULConnect in order to contact the contributor Submitted on : Thursday, March 29, 2018 - 11:51:19 AM Last modification on : Wednesday, March 9, 2022 - 3:07:54 AM Long-term archiving on: : Friday, September 14, 2018 - 3:24:46 AM