00283nam a2200097Ia 450000500170000000800410001705000190005810000200007724500550009726000330015220251229124321.0251229s9999    xx            000 0 und d  aS 561 .H3 1961  aHoskem, Michael 0aFarm organization qnd management .cMichael Hoskem  aLondonb Farming Pressc1976