000 00312nam a2200121Ia 4500
008 220601s2014 xx 000 0 eng d
100 _aGARG, S.K.
245 0 _aSEWAGE DISPOSAL AND AIR POLLUTION ENGINEERING
250 _a28TH Ed.
260 _c2014
_aNew Delhi
_bKHANNA PUB
300 _a1060
942 _2ddc
_cBTECH
999 _c3345
_d3345