[1] Gulczynski D, Golden B, Wasil E. The multi-depot split delivery vehicle routing problem: an integer programming-based heuristic, new test problems, and computational results[J]. Computers & Industrial Engineering, 2011, 61(3): 794-804.
[2] Rahimi-Vahed A, Crainic T G, Gendreau M, et al. A path relinking algorithm for a multi-depot periodic vehicle routing problem[J]. Journal of Heuristics, 2013, 19(3): 497-524.
[3] Ho W, Ho G T S, Ji P, et al. A hybrid genetic algorithm for the multi-depot vehicle routing problem[J]. Engineering Applications of Artificial Intelligence, 2008, 21(4): 548-557.
[4] Tu W, Fang Z, Li Q, et al. A bi-level Voronoi diagram-based metaheuristic for a large-scale multi-depot vehicle routing problem[J]. Transportation Research Part E: Logistics and Transportation Review, 2014, 61: 84-97.
[5] Yu B, Ma N, Cai W J, et al. Improved ant colony optimisation for the dynamic multi-depot vehicle routing problem[J]. International Journal of Logistics Research and Applications, 2013, 16(2): 144-157.
[6] Geetha S, Poonthalir G, Vanathi P T. Nested particle swarm optimisation for multi-depot vehicle routing problem[J]. International Journal of Operational Research, 2013, 16(3): 329-348.
[7] Mirabi M, Fatemi Ghomi S M T F, Jolai F. Efficient stochastic hybrid heuristics for the multi-depot vehicle routing problem[J]. Robotics and Computer-Integrated Manufacturing, 2010, 26(6): 564-569.
[8] Yu B, Yang Z Z, Xie J X. A parallel improved ant colony optimization for multi-depot vehicle routing problem[J]. Journal of the Operational Research Society, 2011, 62(1): 183-188.
[9] Kuo Y, Wang C C. A variable neighborhood search for the multi-depot vehicle routing problem with loading cost[J]. Expert Systems with Applications, 2012, 39(8): 6949-6954.
[10] Bettinelli A, Ceselli A, Righini G. A branch-and-cut-and-price algorithm for the multi-depot heterogeneous vehicle routing problem with time windows[J]. Transportation Research Part C: Emerging Technologies, 2011, 19(5): 723-740.
[11] Surekha P, Sumathi S. Solution to multi-depot vehicle routing problem using genetic algorithms[J]. World Applied Programming, 2011, 1(3): 118-131.
[12] Gillett B E, Miller L R. A heuristic algorithm for the vehicle-dispatching problem[J]. Operations Research, 1974, 22:340-349.