https://hal-normandie-univ.archives-ouvertes.fr/hal-02383845 Contributor : Philippe LaneConnect in order to contact the contributor Submitted on : Saturday, November 30, 2019 - 10:59:36 AM Last modification on : Wednesday, November 3, 2021 - 7:19:22 AM Long-term archiving on: : Sunday, March 1, 2020 - 12:51:33 PM