https://hal-pasteur.archives-ouvertes.fr/pasteur-02979267 Contributor : andrée DIAKITEConnect in order to contact the contributor Submitted on : Tuesday, October 27, 2020 - 10:06:59 AM Last modification on : Sunday, June 26, 2022 - 2:20:28 AM Long-term archiving on: : Thursday, January 28, 2021 - 6:31:40 PM