https://www.ssoar.info/ssoar/bitstream/handle/document/37160/ssoar-essachess-2013-1-courbet-Pour_un_developpement_raisonne_des.pdf
https://www.ssoar.info/ssoar/bitstream/handle/document/37160/ssoar-essachess-2013-1-courbet-Pour_un_developpement_raisonne_des.pdf
