https://halshs.archives-ouvertes.fr/halshs-02349616 Contributor : Vanessa StettingerConnect in order to contact the contributor Submitted on : Tuesday, November 5, 2019 - 5:18:07 PM Last modification on : Wednesday, March 23, 2022 - 3:51:14 PM Long-term archiving on: : Friday, February 7, 2020 - 11:32:22 AM