00525nam a2200217Ia 4500008004100000041001200041082001000053082001100063100001700074100001100091245003400102260001300136260002000149260000900169365002500178440004200203650001300245650001700258650002000275650001200295150909s9999    xx            000 0 und d  aEnglish  a380.1  bRHO/AG  aRhodes V J    eAuthor  aAgricultural marketing system  aColombus  bGrid publishing  c1980  aRs.86                 aGrid series in agricultural economics  aCommerce  aMacro market  aPricing process  aTrading