https://hal-imt.archives-ouvertes.fr/hal-00823365 Contributor : Admin Télécom ParistechConnect in order to contact the contributor Submitted on : Thursday, May 16, 2013 - 4:53:26 PM Last modification on : Tuesday, October 19, 2021 - 11:16:02 AM Long-term archiving on: : Tuesday, April 4, 2017 - 7:44:46 AM