• https://theses.hal.science/tel-01199181
• https://theses.hal.science/tel-01199181
• https://theses.hal.science/tel-01199181
• https://theses.hal.science/tel-01199181
• https://theses.hal.science/tel-01199181
• https://theses.fr/2014LYO10294/abes
• https://theses.hal.science/tel-01199181