https://hal.univ-lorraine.fr/tel-01748121 Contributor : Thèses ULConnect in order to contact the contributor Submitted on : Thursday, March 29, 2018 - 11:25:43 AM Last modification on : Saturday, June 25, 2022 - 8:59:57 PM Long-term archiving on: : Friday, September 14, 2018 - 3:08:16 AM