000 00404 a2200157 4500
041 _aEn
082 _a628.162
_bMAU
100 _aMaulik , M. N.
245 _aWaste water treatment and sewage disposal
260 _c1997
_aDelhi
_bStandard Book House
_g1997
300 _c22 cm.
_a[x],176 p.
650 _aWATER SUPPLY AND SEWAGE
650 _aENGINEERING
650 _aWATER - TREATMENT
942 _cSR
999 _c20586
_d22133