000 00377nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
100 _aGilbertson, C.B.
245 _aEffects of animal density and surface slope on characteristics of runoff, solid
260 _aLincoln
260 _c1970
440 _aNo. 508; Nebraska Agricultural
901 _pS18025
942 _cB
_2udc
999 _c121120
_d121120