https://hal-pasteur.archives-ouvertes.fr/pasteur-03204194 Contributor : andrée DIAKITEConnect in order to contact the contributor Submitted on : Wednesday, April 21, 2021 - 1:24:55 PM Last modification on : Thursday, April 7, 2022 - 10:10:44 AM Long-term archiving on: : Thursday, July 22, 2021 - 6:39:04 PM