https://hal-hprints.archives-ouvertes.fr/hprints-00364944 Contributor : Fee HaaseConnect in order to contact the contributor Submitted on : Friday, February 27, 2009 - 8:29:32 PM Last modification on : Wednesday, June 1, 2022 - 3:57:11 AM Long-term archiving on: : Tuesday, June 8, 2010 - 7:32:05 PM