000			00304 a2200133 4500
080			_a632 _bD 554 D
245	1		_aDiseases of field crops _cby J.G. Dickson
250			_a2ns edn.
260			_aNew York _c1956
650			_aCrop Diseases
100	1		_aDickson, J.G. _d
300			_a517 p.
901			_a60746
999			_c45722 _d45722