000 00458nam a2200157Ia 4500
999 _c41733
_d41733
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008 180712s9999 xx 000 0 und d
020 _a713128046
082 _a591.52
_bTOW
_223
100 _aTOWNSEND, Colin R.
245 4 _aThe ecology of streams and rivers
_c/[by] Colin R.Townsend
260 _aLondon
_bEdward Arnold
_c1980
300 _a68 p.
440 _aThe institute of biology's studies in biology; no.122
942 _cR