Hongtao Lei Bo Guo Comments on "An improved model for vehicle routing problem with time constraint based on genetic algorithm" [Computers & Industrial Engineering 42 (2002) 361-369]. 479-480 2010 59 Comput. Ind. Eng. 3 https://doi.org/10.1016/j.cie.2010.06.005 db/journals/candie/candie59.html#LeiG10