000 00346 a2200109 4500
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100 _aManivaskaram,N.
245 _aIndustrial Effluents origin, characteristics, effects,Analysis and treatment /
_cN. Manivaskaram,
260 _aCoimbatore
_bSakthi Publications
_c1987
300 _a592p.
942 _2ddc
_cBK
999 _c9007
_d9007