000 00297nam a2200121Ia 4500
008 160710s1994 xx 000 0 und d
082 _a628.4 IWA
100 _aIWAI,S.
245 _aWASTE WATER TREATMENT WITH MICROBIAL FILMS
260 _bTECHNOMIC PUB]
_c1994
300 _a184
942 _2ddc
_cB
999 _c56434
_d56434