000 00349 a2200145 4500
020 _a8176483435
082 _a363.73
_bAGA
090 _c15363
_d23168
100 _aAgrawal S.K.
245 _aPollution management
_bwater pollution
260 _aNew Delhi
_bA.P.H.
_c2002
_g2002
300 _ax,384p.
_c22cm
650 _aWater Pollution
942 _cPR
999 _c43470
_d43470