000 00320nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
100 _aBens, R.J.
245 _aSwine production : Economics
260 _aOttawa
300 _a37 p.
440 _aNo. 1442 Section 1; Canada Dep
901 _pS20244
942 _cB
_2udc
999 _c135186
_d135186