000 002820000a22001210004500
245 _aBiological indicators of water quality
100 _aJames, A., ed.
100 _aEvison, L., ed.
260 _aChichester
_bWiley
_c1979
080 _a628.1
_bB5
041 _aEN
942 _cBK
999 _c113930
_d113930