00320nam a2200133Ia 45000030006000000080041000060400015000471000024000622450052000862500010001382600009001485460012001570050017001690STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHarold Breimyer, F.  aEconomics of the product markets of agriculture  aFirst  c1976  aEnglish20220125165556.0