@article {IOPORT.50302173,
    author       = {Pourakbar, Morteza and Farahani, Reza Zanjirani and Asgari, Nasrin},
    title        = {A joint economic lot-size model for an integrated supply network using genetic algorithm},
    year         = {2007},
    journal      = {Applied Mathematics and Computation},
    volume       = {189},
    number       = {1},
    pages        = {583-596},
    doi          = {10.1016/j.amc.2006.11.116},
    identifier   = {50302173},
}