000 00343nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aHiggs, R.L.
245 _aIowa corn yield tests, 1963
260 _aAmes
260 _c1964
300 _a28 p.
440 _aP-134; Iowa Agricultural Experiment
901 _pS6767
942 _cB
_2udc
999 _c126033
_d126033