00474nam a2200193Ia 4500008004100000041001200041082001000053082001100063100001400074100001700088100001100105245004300116260001300159260002200172260000900194365002500203650002700228650002500255150909s9999    xx            000 0 und d  aEnglish  a338.1  bEPP/IN  aEPP D J    aMalone J W    eAuthor  aIntroduction to agricultural Economics  aNew York  bMacmillan Company  c1981  aRS.10.50              aAgricultural economics  aAgricultural labours