1. Baptiste, P., Le Pape, C., Nuijten, W.: Efficient operations research algorithms in constraint-based scheduling. In: Proceedings of IJCAI (1995)
2. Beringer, H., De Backer, B.: Combinatorial problem solving in Constraint Logic Programming with Cooperating Solvers. In: Beierle, C., Plumer, L. (eds.) Logic Programming: formal Methods and Practical Applications. North Holland, Amsterdam (1995)
3. Bockmayr, A., Kasper, T.: Branch-and-Infer: A unifying framework for Integer and Finite Domain Constraint Programming. INFORMS J. Computing 10(3), 287–300 (1998)
4. Carpaneto, G., Martello, S., Toth, P.: Algorithms and codes for the Assignment Problem. In: Simeone, B., et al. (eds.) Fortran Codes for Network Optimization - Annals of Operations Research, pp. 193–223 (1988)
5. Lecture Notes in Computer Science;Y. Caseau,1996