000 003900000a22001570004500
020 _a185293073X
060 _a100
082 _a628.112 HAS
100 _aHaslam, S M
245 _aRiver pollution: an ecological perspective
260 _aLondon, Belhaven Press
260 _c1990
300 _a253
650 _aStream- Ecology/ Water pollution- Environmental aspects
942 _cBK
999 _c356942
_d356942