1. Azarmi, N., Abdul-Hameed, W.: Workforce scheduling with constraint logic programming. BT Technology Journal 13(1) (1995)
2. Ansótegui, C., del Val, A., Dotú, I., Fernàndez, C., Manyà, F.: Modeling choices in quasigroup completion: Sat vs. csp. In: AAAI, pp. 137–142 (2004)
3. Apt, K., Wallace, M.: Constraint Logic Programming Using ECLiPSe. Cambridge University Press, Cambridge (2006)
4. Lecture Notes in Computer Science;N. Barnier,1998
5. Beldiceanu, N., Bourreau, E., Chan, P., Rivreau, D.: Partial search strategy in CHIP. In: Proceedings of the 2nd. International Conference on Meta-Heuristics (1997)