M Georges Afonso Technician Paris UniversityCiTCoM work Email: georges.afonso@u-paris.frINTERNET Tel :: Number M Pierre Bonnay Studies Engineer CNRSCiTCoM work Email: pierre.bonnay@u-paris.frINTERNET Tel :: Number M Thomas Duco-Duval Technician Paris UniversityCiTCoM work Email: thomas.ducos-duval@u-paris.frINTERNET Tel :: Number M Karim Hammad Studies Engineer CNRSCiTCoM work Email: karim.hammad@u-paris.frINTERNET Tel :: Number