الإتاحة: https://hal.univ-brest.fr/hal-00683229Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48d2d6bb01eba6e7a01c455aab131ad6Testhttps://hal.univ-brest.fr/hal-00683229Test
الإتاحة: https://doi.org/10.1068/p241333Testhttps://hal.archives-ouvertes.fr/hal-02168850Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::582bc50e248bb50883b837313668a127Testhttps://hal.science/hal-02168850Test