000 00468nam a2200157Ia 4500
008 170901s1949 xx 000 0 und d
082 _a631
_bH25P
100 _aHanley, J.A.
245 0 _aProgressive Farming
_bThe Maintenance of High Production
260 _aLondon
_bThe Caxton Publishingn Co. Ltd.
_c1949
300 _a277
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aAgriculture
942 _2ddc
_cBK
999 _c12817
_d12817