000 00312nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aEvvard, John M.
245 _aSoft corn problem
260 _aIowa
_c1917
300 _a1-4 p.
440 _aIowa Agricultural Experiment
901 _a22094
942 _cB
_2udc
999 _c3875
_d3875