000 00330nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aCost of field operations in the Prairie region
260 _aOttawa
260 _c1959
300 _a0.875
440 _aCanada Department of Agricultu
901 _pS364
942 _cB
_2udc
999 _c119087
_d119087