https://hal-normandie-univ.archives-ouvertes.fr/hal-02422920 Contributor : Christophe GillissenConnect in order to contact the contributor Submitted on : Monday, December 23, 2019 - 2:03:28 PM Last modification on : Wednesday, March 9, 2022 - 9:04:01 AM Long-term archiving on: : Tuesday, March 24, 2020 - 1:10:54 PM