https://hal-univ-pau.archives-ouvertes.fr/hal-02432233 Contributor : Gaelle Chancerel-LannuzelConnect in order to contact the contributor Submitted on : Thursday, December 17, 2020 - 3:03:45 PM Last modification on : Friday, January 15, 2021 - 9:20:27 AM Long-term archiving on: : Thursday, March 18, 2021 - 8:02:06 PM