000 00353nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aShaw, R.H.
245 _aEstimation of soil moisture under corn
260 _aAmes
260 _c1963
300 _a965-980 p.
440 _aNo. 520; Iowa Agricultural and
901 _pS6745
942 _cB
_2udc
999 _c121643
_d121643