https://hal-mines-albi.archives-ouvertes.fr/hal-01687206 Contributor : Patricia ARLABOSSEConnect in order to contact the contributor Submitted on : Thursday, January 18, 2018 - 11:36:44 AM Last modification on : Wednesday, April 6, 2022 - 5:14:03 PM Long-term archiving on: : Sunday, May 6, 2018 - 12:01:04 PM