2Ratliff,H.Donald,Rosenthal Amon S.Order-picking in a rectangular warehouse:A solvable case of the traveling salesman problem[J].Operations Research,1983,31(3):507-521.
3Rana,Krishan.Order picking in Narrow-aisle warehouses[J].International Journal of Physical Distribution & Logistics Management,1990,20(2):9-15.
5Davis L.Adapting operator probabilities in genetic algorithm[C]//Proceedings of the third international conference on genetic algorithms.George Mason University,United States,1989.61-69.