1. An approximate model and Solution approach for the long-haul crew pairing problem;Barnhart;Transportation Science,1998
2. Berge, C., 1970. Graphes et Hypergraphes, DUNOD, Paris.
3. Crew pairing at Air France;Desaulniers;European Journal of Operational Research,1997
4. Gamache, M., Soumis, F., Marquis, G., Desrosiers, J., 1994. A column generation approach for large scale aricrew rostering problems. Les Cahiers du GERAD, G-94-20, Ecole des Hautes Etudes Commerciales, Montréal, Canada.
5. The preferential bidding system at Air Canada;Gamache;Transportation Science,1998