http://campus.cerimes.fr/media/disquemiroir/2015-06-09/UNF3Smiroir/paces2011/pelletier_laurent/pelletier_laurent_p05/pelletier_laurent_p05.pdf
http://campus.cerimes.fr/media/disquemiroir/2015-06-09/UNF3Smiroir/paces2011/pelletier_laurent/pelletier_laurent_p05/pelletier_laurent_p05.pdf
