https://hal-pasteur.archives-ouvertes.fr/pasteur-00557975 Contributor : Sandra LegoutConnect in order to contact the contributor Submitted on : Tuesday, January 25, 2011 - 2:30:27 PM Last modification on : Thursday, April 7, 2022 - 10:10:30 AM Long-term archiving on: : Tuesday, April 26, 2011 - 2:21:13 AM