000 00381nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aWillard, C.J.
245 _aRotation experiments : Paulding, Henry and Madison Counties
260 _aWooster
260 _c1959
300 _a48 p.
440 _aOhio Agricultural Experiment Station
901 _pS813
942 _cB
_2udc
999 _c132638
_d132638