00297nam a2200109Ia 450000500170000008000180001710000230003524500590005826000250011730000260014258300190016820260716043016.0  a07.01.02 R454  aHenderson, John M.  aReview of agricultural diversification in the O.E.C.S.  bCIDAaOttawaCAc1987  a1 v. (various pagings  c3/7/00kM2LMGR