000 00303 a2200121 4500
245 1 _aSwine production in Oregon
260 _aCorvallis
_c1952
100 1 _aOldfield, J.E.
_d
300 _a71 p.
440 _aNo. 523
_vOregon Agricultural Experiment Station Bulletin
942 _2udc
_cB
901 _a38031
999 _c56452
_d56452