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020 _a
022 _a
040 _aAdlib
082 _a629.19
245 _aBiological Indicaors of Freshwater Pollution and Environmental Management
250 _a
260 _aLondon
_bElsevier Applied Science
_c1986
300 _axiii,546 p.
_c
500 _a Bibliog p. 452 -508
100 _aHellawell, J.M.
_e
700 _a
_a
942 _cBK
653 _aWater Pollution and Environmental Management
952 _w2010-11-24
_p00034707
_r2012-10-15
_40
_00
_bUL
_10
_o628.19 HEL
_d2010-11-24
_70
_yBK
_s2012-09-25
_l1
_aUL
999 _c69815
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