000 00373nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aRowden, W.W.
245 _aProtein supplements or beef calves on winter range
260 _aNebraska
260 _c1961
300 _a0.833333333
440 _aNo. 108; Nebraska Agricultural
901 _pS14190
942 _cB
_2udc
999 _c130971
_d130971