000 00354nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a1843391651
082 _a628.35 S849
100 _aSPERLING, M. V.
245 0 _aACTIVATED SLUDGE AND AEROBIC BIOFILM REACTORS
260 _aNEW YORK
_bIWA
_c2007
300 _axiii+322p.,23x16Cms.
942 _cBK
_2DDC
999 _c40878
_d40878