00321nam a2200121Ia 4500008004100000082001200041100002600053245002900079260003300108300001300141600002500154650002000179140224s9999    xx            000 0 und d  a631.16   aBradford, Lawrence A.  aFarm management analysis  aNew YorkbJohn Wileycc 1953  aix,438p.  aLawrence A. Bradford  aFarm management