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020 _a9788131304631 (hbk)
_c2590
024 _a10686
037 _bEBA/3552/2013-14, 21/03/2014, Educational Book Agency
_cTextbook
040 _aCRL
_cCRL
_beng
041 _2eng
_aeng
082 _aD854.2, P9
100 _aJain A K
245 0 _aRiver pollution
_b Regeneration and cleaning
260 _aNew Delhi
_bA P H Publishing India
_c2009
300 _a314p.
_ccm.
650 _aENGINEERING
942 _hD854.2, P9
_cTB
_2CC
999 _c890163
_d890163