000 00451nam a2200181Ia 4500
008 221105s9999 xx 000 0 und d
041 _aENGLISH
082 _a628
082 _bGUR
100 _aGURCHARAN SINGH; JAGDISH SINGH
245 0 _aWATER SUPPLY AND SANITARY ENGINEERING
260 _bSTANDARD PUBLISHERS DISTRIBUTORS
260 _c1995
300 _a456
650 _aENVIRONMENTAL
650 _bWATER SUPPLY ENGINEERING
942 _cBK
999 _c5614
_d5614