00434cam a22001217a 4500008004000000082001000040245011300050260005100163300001000214650004400224700002300268700002100291180718b1983   xxu||||| |||| 00| 0 eng d  aZ4x72  aThe book of CHAC: Programme studies for Mexican agriculturecedited by Roger D. Nortan and Leopoldo Solis M.  aBaltimorebJohn Hopkins University Pressc1983  a602p.  aAgriculture - Economic Aspects - Mexico  aSolis, Leopoldo M.  aNortan, Roger D.