https://hal.archives-ouvertes.fr/hal-02003792 Contributor : Frederic JaouenConnect in order to contact the contributor Submitted on : Tuesday, February 12, 2019 - 6:09:49 PM Last modification on : Thursday, January 6, 2022 - 2:50:02 PM Long-term archiving on: : Monday, May 13, 2019 - 4:12:37 PM