Operations research and artificial intelligence cooperation to solve scheduling problems: the OPAL and OSCAR systems. - C. Badie; G. Bel; E. Bensana; Gérard Verfaillie (Expert Planning Systems, 1990)

Earth Observation Satellite Management. - E. Bensana; Michel Lemaître; Gérard Verfaillie (Constraints An Int. J., 1999)