3Shame-ur.Rahman, David.K.Smith. Use of Location-allocation Models in Health Service Development Planning in Developing Nations [J]. European Journal of Operational Research,2000, 123 (3):437-452.
4J.Bramel, D.Simchi-Levi. A Location-based Heristic for General Routing Problems [J]. Operations Research, 1995,43: 649-660.
5K.Altinkemer, B.Gavish. Heuristics for Delivery Problem with Constraint Error Guarantees[J]. Transportation Science, 1990,24: 294-297.
6Ahmad Alshamrani,Kamlesh Mathur, Ronald H.Ballou. Reverse Logistics:Simultaneous Design of Delivery Routes and Returns Strategies[J]. Computers and Operations Research, 2005,3: 1-25.
7Cordeau JF, Gendreau M, Laporte G. A Tabu Search Heuristic for Periodic and Multi-depot Vehicle Routing Problem [J]. Networks,1997, 30:105-19.
8M.Dror, G.Laporte, P.Trudeau. Vehicle Routing with Stochastic Demands: Properties and Solution Frameworks [J]. Transportation Science,1989,23:166-176.
9D.J.Bertsimas, P.Chervi, M.Peterson. Computational Approaches to Stochastic Ve-hicle Routing Problem [J]. Transportation Science,1995,29: 342-352.
10M.Gendreau, G.Laporte, R.Seguin. Stochastic Vehicle Routing[J]. European Journal of Operational Research, 1996, 88: 3-12.