000 00287nam a2200109Ia 4500
008 220201s1989 xx 000 0 eng d
100 _aSINGH BHARAT
245 0 _aELEMENTS WATER SUPPLY AND SAINITARY ENGINEERING
260 _aDELHI
_bKATSON PUB HOUSE
_c1989
300 _a176
942 _2ddc
999 _c90740
_d90740