000 00328nam a2200121Ia 4500
008 220201s2010 xx 000 0 eng d
082 _a628.1
_bLAL
100 _aLal, D. and Upadhayay, A.K.
245 0 _aWater supply and waste water engineering
260 _aDelhi
_bS.K. Kataria
_c2010 rep.
300 _a196+Viii
942 _2ddc
999 _c29251
_d29251