4[1]Dorigo M, Gambardella L M. Ant colony system: A cooperative learning approach to the travelling salesman problem[J]. IEEE Trans Evol Comp,1997,1(1):53-66.
5[2]Dorigo M, Maniezzo V, Colorni A. Ant system: Optimization by a colony of cooperating agents[J]. IEEE Trans SMC: Part B,1996,26(1):29-41.
6[3]Gambardella L M, Dorigo M. Solving symmetric and asymmetric TSPs by ant colonies[A]. Proc IEEE Int Conf Evol Comp[C]. Piscataway, 1996.622-627.
7[4]Boryczka U, Boryczka M. Generative policies in ant systems for scheduling[A]. 6th European Congr Intell Tech Soft Comp[C]. Bruxelles,1998.1:382-386.
8[5]Boryczka U. Learning with delayed rewards in ant sys-tems for the job-shop scheduling problem[A]. First Int Conf Rough Sets Current Trends Comp[C]. Bruxelles,1998.271-274.
9[6]Gambardella L M, Taillard E D, Dorigo M. Ant colonies for the quadratic assignment problem[J]. J Oper Res Soci,1999,50(2):167-176.
10[7]Maniezzo V,Dorigo M,Colorni A.Algodesk:An experimental comparison of eight evolutionary heuristics applied to the quadratic assignment problem[J]. European J Oper Res,1995,81(1):188-204.
