00449nam a2200157 a 450000500170000008200130001710000180003024500370004826000280008530000230011363000350013696400270017199700180019899900170021695200580023320251203091158.0  a337bCOB  aCobham, David  aEconomics of international trade  aWoodhead Faulknerc1979  a117 p.b22cm.cPB.  aEconomics- International trade  bENGLISHcdeBOOKfg_  a33006 LIBSS C  c32808d32808  00104070aPUbPUd1999-12-14l0o337 COBp33006yBK