00397    a2200157   4500020001500000082001500015100002000030245004400050250001200094260004400106300002000150650001600170650001400186650001500200700002400215  a0471021369  a338.1bCRA  aCramer, Gail L.  aAgricultural economics and agribusiness  a6th ed.  aNew YorkbJOhn Wiley & Sonsc1979g1994  axxi,534p.c23cm  aAgriculture  aEconomics  aProduction  aJensen, Clarence W.