https://hal-amu.archives-ouvertes.fr/hal-01535980 Contributor : Élodie AttiaConnect in order to contact the contributor Submitted on : Friday, June 9, 2017 - 6:38:59 PM Last modification on : Wednesday, November 3, 2021 - 4:03:40 AM Long-term archiving on: : Sunday, September 10, 2017 - 2:02:02 PM