Jang, Dong-Won; Kim, Se Won; Kim, Kap Hwan - In: International Journal of Production Economics 143 (2013) 2, pp. 256-262
This paper addresses the optimization of a block stacking storage system (BSSS) in which unit loads are stored vertically. One of the important problems in a BSSS is in the relocation required when unit loads are located on top of the next unit load to be picked. Relocations are bound to occur...