000 00412nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aKnight, D.A., Bortfeld, C.F.
245 _aLabor and power requirements by size of enterprise for beef cattle systems in Ea
260 _aManhattan
260 _c1958
300 _a23 p.
440 _aKansas Agricultural Experiment
901 _pS223
942 _cB
_2udc
999 _c126343
_d126343