00343nam a22001337a 4500003000400000005001700004008004100021020001500062040000800077100001900085245005300104250001100157260004100168OSt20180801110459.0180801b        xxu||||| |||| 00| 0 eng d  a0070217289  cN/A  aFerris John.N.  aAgricultural prics and commodity market analysis  a1st ed  aNew YorkbMcGraw-Hill Compaiesc1997