1. Ilemobade, A., Stephenson, D.: Application of a constrained non-linear hydraulic gradient design tool to water reticulation network upgrade. Urban Water J. 3(4), 199–214 (2006)
2. Rømo, F., Eidesen, B., Pedersen, B.: Optimizing the Norwegian natural gas production and transport. INFORMS Pract. Oper. Res. 38(6), 46–56 (2009)
3. Dell, R., Ewing, L., Tarantino, W.: Optimally stationing army forces. INFORMS Pract. Oper. Res. 38(6), 421–438 (2008)
4. Goldberg, D.: Genetic Algorithms in Search, Optimization, and Machine Learning. Addison-Wesley, Reading (1989)
5. Kennedy, J., Eberhart, R.: Particle swarm optimization. In: IEEE International Conference on Neural Networks, pp. 1942–1948 (1995)