000 00290nam a2200109Ia 4500
008 160710s1997 xx 000 0 und d
100 _aDROSTE,R.L.
245 _aTHEORY AND PRACTICE OF WATER AND WASTE WATER TREATMENT
260 _bJOHN WILEY & SONS
_c1997
300 _a800
942 _2ddc
_cB
999 _c57718
_d57718