000			00354nam a2200133Ia 4500
008			130225s9999 xx 000 0 und d
100			_aRachenstein, E., Bonnen, C.A.
245			_aSuccessful threshing ring management
260			_aIllinois _c1925
300			_a375-403 p.
440			_aIllinois Agricultural Experim
901			_a21302
942			_cB _2udc
999			_c3273 _d3273