000 00285 a2200109 4500
008 181211b xxu||||| |||| 00|
100 _a Brian A. Whitton
245 _aRiver ecology /
_c Brian A. Whitton
260 _aOxford
_b Blackwell Scientific
_c1975
300 _a725p.
942 _2ddc
_cBK
999 _c7576
_d7576