00540nam a22001697a 4500003000400000005001700004008004100021020001500062040000800077082002100085100002200106245007300128250001000201260004400211300001100255650010400266OSt20220520125359.0030206s2002    ck            000 0 spa d  a0801424518  cOSt04221a338.17bT664  aTomek, William G.00aAgricultural product prices /cTomek, William G. Kenneth L. Robinson  a3 ed.  aNew York: bCornell University, c1990.  a360 p.042LEMBxAGRICULTURA -PRODUCCIÓN xCONSERVACIÓN DE LOS RECURSOS AGRICOLA xINDUSTRIA AGROPECUARIA