000 00319nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aManaging a small duck flock
260 _aOttawa
260 _c1977
300 _a0.958333333
440 _aNo. 1524R; Canada Department o
901 _pS29611
942 _cB
_2udc
999 _c127134
_d127134