1. Network Flows: Theory, Algorithms, and Applications;Ahuja,1993
2. A survey of very large-scale neighborhood search techniques;Ahuja;Discrete Applied Mathematics,2002
3. GAMS: A User’s Guide;Brooke,1992
4. Development of a deployment planning tool for freeway safety service patrol programs;Edara;Journal of Intelligent Transportation Systems,2007
5. Davies, L., Mauch, M., Skabardonis, A., 2004. Freeway service patrol predictor model: methodology and implementation. In: 83rd Annual Meeting Compendium of Papers CD-ROM, Transportation Research Board, Washington, DC.