000 00328 a2200121 4500
245 1 _aUrea as a source of protein in livestock rations
260 _aStillwater
_c1953
100 1 _aGallup, W.D.
_d
300 _a10 p.
440 _aNo. C-137
_vOklahoma Agricultural Experiment Station Circular
942 _2udc
_cB
901 _a40561
999 _c56281
_d56281