Supply chain vs. supply chain: using simulation to compete beyond the four walls.

George Archibald Nejat Karabakal Paul Karlsson Supply chain vs. supply chain: using simulation to compete beyond the four walls. 1207-1214 1999 Winter Simulation Conference http://portal.acm.org/citation.cfm?id=324898.325039 db/conf/wsc/wsc1999-2.html#ArchibaldKK99