00459nam a2200145 a 450000500170000002000150001708200190003210000220005124500630007326000270013630000270016349000700019063000290026063000240028920251202164208.0  a0080299768  a658.72072bKIN  aKingsman, Brian G  aRaw materials purchasing : an operations research approach  aOxfordbPergamonc1985  aXIX, 407 p.c22cm.bPB  aFrontiers of operational research and applied systems analysisd4  aRaw materials-purchasing  aOperations research