https://hal.univ-reunion.fr/hal-01595852 Contributor : Réunion UnivConnect in order to contact the contributor Submitted on : Wednesday, September 27, 2017 - 9:41:02 AM Last modification on : Wednesday, November 3, 2021 - 4:29:13 AM Long-term archiving on: : Thursday, December 28, 2017 - 12:47:13 PM