https://hal.univ-rennes2.fr/hal-01778485
Contributor : Laurence Leroux <>
Submitted on : Wednesday, April 25, 2018 - 5:05:43 PM Last modification on : Thursday, February 28, 2019 - 4:22:08 PM Long-term archiving on: : Tuesday, September 25, 2018 - 7:41:04 AM