00257nam a2200097Ia 450000500170000000800410001705000190005810000160007724500370009326000290013020251229191229.0251229s9999    xx            000 0 und d  aS 561 .A3 1965  aAdam, R. L. 0aFarm management crop.cR. L Adam  aNew Delhib Oxfordc1965