https://hal-univ-fcomte.archives-ouvertes.fr/hal-02378501 Contributor : Jenny GuillaumeConnect in order to contact the contributor Submitted on : Monday, November 25, 2019 - 11:29:42 AM Last modification on : Wednesday, November 3, 2021 - 6:24:47 AM Long-term archiving on: : Wednesday, February 26, 2020 - 3:18:37 PM