https://hal.archives-ouvertes.fr/hal-00954577 Contributor : Sandrine VictorConnect in order to contact the contributor Submitted on : Thursday, November 12, 2020 - 5:49:51 PM Last modification on : Saturday, December 18, 2021 - 3:45:41 AM Long-term archiving on: : Saturday, February 13, 2021 - 6:02:07 PM