https://hal-lirmm.ccsd.cnrs.fr/lirmm-03024235 Contributor : Isabelle GouatConnect in order to contact the contributor Submitted on : Friday, January 8, 2021 - 2:18:47 PM Last modification on : Friday, August 5, 2022 - 3:02:16 PM Long-term archiving on: : Friday, April 9, 2021 - 7:02:44 PM