https://hal-inrap.archives-ouvertes.fr/hal-03090737 Contributor : Christophe TufféryConnect in order to contact the contributor Submitted on : Wednesday, December 30, 2020 - 8:56:58 AM Last modification on : Tuesday, July 20, 2021 - 11:44:02 AM Long-term archiving on: : Wednesday, March 31, 2021 - 6:09:07 PM