000 00330nam a2200133Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a628 N80 SIN/GUR
100 _aSINGH
245 _aWATER SUPPLY AND SANITARY ENGINEERING
250 _a2 ed.
260 _aDELHI
_bSTANDARD PUBLICATIONS
_c1980
300 _a548
999 _c17638
_d17638