000 00344cam a2200133ua 4500
082 _a628.4
_bWAS.1
245 0 0 _aWaste water treatment technologies and environment vol.II /
260 _aDelhi:
_bDaya,
_c2004.
300 _a422-848p..
500 _aIncludes index.
650 0 _aWaste water purification
700 0 2 _aKaul,S.N.
942 _cBK
999 _c18731
_d18731