000 00284nam a2200109Ia 4500
008 220201s2001 xx 000 0 eng d
100 _aUPADHYAY A K
245 0 _aWATER SUPPLY AND WASTE WATER ENGINEERING
260 _aDELHI
_bS K KATARIA AND SONS
_c2001
300 _a103
942 _2ddc
999 _c92454
_d92454