https://hal-upec-upem.archives-ouvertes.fr/hal-01471230 Contributor : Nathalie RoseauConnect in order to contact the contributor Submitted on : Thursday, December 13, 2018 - 2:40:16 PM Last modification on : Saturday, January 15, 2022 - 4:05:41 AM Long-term archiving on: : Thursday, March 14, 2019 - 2:46:04 PM