https://hal-pasteur.archives-ouvertes.fr/pasteur-03202616 Contributor : andrée DIAKITEConnect in order to contact the contributor Submitted on : Tuesday, April 20, 2021 - 9:46:20 AM Last modification on : Thursday, May 12, 2022 - 9:04:07 AM Long-term archiving on: : Wednesday, July 21, 2021 - 6:15:56 PM