000 00229 a2200097 4500
001 48376
100 _aStapledon, R.G
245 _aFarming and mechanized agriculture
260 _aLondon
_bDD Ref books
_c
090 _c31317
_d31317
942 _aNUST-CAE
_cM
_c23689
999 _c283449
_d283449