000 00301nam a2200121Ia 4500
008 160710s1999 xx 000 0 und d
082 _a628.35 LES
100 _aGRADY,J R AND OTHERS
245 _aBIOLOGICAL WASTE WATER TREATMENT
260 _bMARCEL DEKKER
_c1999
300 _a1076
942 _2ddc
_cB
999 _c63750
_d63750