000 00291 a2200109 4500
008 190228b xxu||||| |||| 00| 0
100 _a Ian G. Cowx
245 _aManagement and ecology of river fisheries /
_cIan G. Cowx
260 _bWiley-Blackwell;
_c2000
300 _a456p.
942 _2ddc
_cBK
999 _c9539
_d9539