000 00401nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aU.S. feed foncentrate-livestock economy's demand structure, 1949-1959 (with proj
260 _aLincoln
260 _bNebraska Agricultural Experiment Station
260 _c1962
440 _aNo. 203; Nebraska Agricultural
901 _pS8049
942 _cB
_2udc
999 _c136016
_d136016