000 00270nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aMETCOLF & EDDY
_917108
245 0 _aWASTWATER ENGINEERING TREATMENT
260 _bTATA MC GRAW HILL
300 _a1811
942 _cBK
999 _c114725
_d114725