000 00353nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aOgilive, John R.
245 _aVentilation of livestock buildings
260 _aOttawa
260 _c1969
300 _a22 p.
440 _aNo. 1404; Canada Department of
901 _pS17165
942 _cB
_2udc
999 _c136490
_d136490