https://hal-univ-fcomte.archives-ouvertes.fr/hal-02297251 Contributor : Arnaud MacéConnect in order to contact the contributor Submitted on : Wednesday, September 25, 2019 - 7:52:19 PM Last modification on : Thursday, January 13, 2022 - 11:50:02 AM Long-term archiving on: : Sunday, February 9, 2020 - 8:26:29 PM