000 00341nam a2200121Ia 4500
005 20251007104531.0
008 251006s9999 xx 000 0 und d
100 _agibbon,donald l,ed.
245 0 _aaeration of activated sludge in sewage treatment. gibbon,donald l.,(jt.ed.).
260 _a1st ed. | New York
260 _c1974
942 _cBOK
999 _c9302
_d9302