https://hal-upec-upem.archives-ouvertes.fr/hal-00622398
Contributor : Gilles Bertrand <>
Submitted on : Monday, September 12, 2011 - 2:12:12 PM Last modification on : Wednesday, February 26, 2020 - 7:06:05 PM Long-term archiving on: : Tuesday, December 13, 2011 - 2:25:33 AM