1. Alander, J.T. (2000). An indexed bibliography of genetic algorithms in operations research (Technical report series No. 94-1-OR). Finland: University of Vaasa. (Available via anonymous ftp: site ftp.uwasa.fi directory cs/report94-1 file gaORbib.ps.Z).
2. Business logistics management: planning, organizing and controlling the supply chain;Ballou,1999
3. Transport economics;Blauwens,2002
4. Order splitting under periodic review inventory systems;Chiang;International Journal of Production Economics,2001
5. Sole sourcing versus dual sourcing under stochastic demands and lead times;Chiang;Naval Research Logistics,1994