000 00352nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aEvvard, John M., Davidson, J.B., Foster, W.A.
245 _aSelf-feeders for swine
260 _aIowa
_c1922
300 _a100-143 p.
440 _aIowa Agricultral Experiment S
901 _a21746
942 _cB
_2udc
999 _c3612
_d3612