00273nam a2200109Ia 450000500170000008000180001710000250003524500350006026000420009530000070013758300190014420260716043252.0  a07.01.01 W927  aCartwright, Alan ed.  aWorld agriculture....- [19  ]-  bSterling PublicationsaLondonGBc19--  av.  c3/7/00kM2LMGR