https://hal-amu.archives-ouvertes.fr/hal-01793165 Contributor : Nicole ISNARDONConnect in order to contact the contributor Submitted on : Wednesday, May 16, 2018 - 11:38:54 AM Last modification on : Wednesday, November 3, 2021 - 4:08:13 AM Long-term archiving on: : Monday, September 24, 2018 - 2:05:53 PM