000 00337nam a2200133Ia 4500
008 230724s1999 xx und d
020 _a8170080924
041 _aeng
082 _a628.1
100 _aPUMMIA B.C. JAIN A.K. JAIN A
245 _aWATER SUPPLY ENGINEERING ENVIRONMENTAL ENGINEERING -1
260 _c1999
300 _a584
999 _c1173207
_d1173207