1. Ahuja, R.K., Magnanti, T.L., Orlin, J.B.: Networks Flows, Theory, Algorithms, and Applications. Prentice Hall (1993)
2. Arora, S., Rao, S., Vazirani, U.: Expander flows, geometric embeddings and graph partitioning. Journal of the ACM (JACM) 56(2), 5 (2009)
3. Beldiceanu, N., Carlsson, M., Demassey, S., Petit, T.: Global Constraint Catalogue: Past, Present and Future. Constraints 12(1), 21–62 (2007)
4. Bessiere, C.: Constraint propagation. In: Rossi, F., van Beek, P., Walsh, T. (eds.) Handbook of Constraint Programming. Elsevier (2006)
5. Cattafi, M., Herrero, R., Gavanelli, M., Nonato, M., Malucelli, F.: Improving Quality and Efficiency in Home Health Care: an application of Constraint Logic Programming for the Ferrara NHS unit. In: ICLP, pp. 415–424 (2012)