000 00339nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aBecker, D.E.
245 _aBalancing swine rations
260 _aUrbana
260 _c1959
300 _a27 p.
440 _aIllinois Agricultural Experiment
901 _pS1447
942 _cB
_2udc
999 _c116476
_d116476