000 003040000a22001450004500
060 _a100
082 _a338.16 ORW
100 _aOrwin, C S
245 _aFarming Costs
260 _aOxford, Clarendon Press
260 _c1921
300 _a139
650 _aCost analysis- Agriculture
942 _cBK
999 _c354563
_d354563