https://hal-amu.archives-ouvertes.fr/hal-02111942 Contributor : Julien LoiseauConnect in order to contact the contributor Submitted on : Tuesday, April 30, 2019 - 10:59:53 PM Last modification on : Friday, January 7, 2022 - 10:52:03 AM Long-term archiving on: : Wednesday, July 31, 2019 - 12:26:43 PM