https://hal.inria.fr/hal-00920418 Contributor : Eric MarchandConnect in order to contact the contributor Submitted on : Wednesday, December 18, 2013 - 1:53:22 PM Last modification on : Thursday, January 20, 2022 - 4:20:05 PM Long-term archiving on: : Wednesday, March 19, 2014 - 5:49:32 AM