https://hal-pasteur.archives-ouvertes.fr/pasteur-00557600 Contributor : Sandra LegoutConnect in order to contact the contributor Submitted on : Wednesday, January 19, 2011 - 2:07:23 PM Last modification on : Thursday, April 7, 2022 - 10:10:30 AM Long-term archiving on: : Wednesday, April 20, 2011 - 2:51:41 AM