4Glover F, Laguna M. Tabu Search[M]. Basel: Science Publishers, 1993.
5Dorigo M, Maniezzo V, Colorni A. Ant system: optimization by a colony of cooperating agents[J]. IEEE Trans on Systems, Man and Cybemefics-Part B: Cybernetics, 1996, 26(1): 1-13.
6Ramirez-Rosado I J, Bemal-Agustin J L. Genetic algorithms applied to the design of large power distribution systems[J]. IEEE Trans on Power Systems, 1998, 13(2): 696-703.