000 00414 a2200157 4500
020 _a8170353386
082 _a363.73946
_bWAT
090 _c15239
_d22940
100 _aKumar, Arvind
_eed.
245 _aWater pollution
_bassessment and management
260 _aNew Delhi
_bDaya publishing house
_c2004
_g2004
300 _ax,520p.
_c24cm
650 _aWater Pollution
700 _aTripathi G.
_eed.
942 _cPR
999 _c43363
_d43363