000 00290nam a2200121Ia 4500
008 160710s1977 xx 000 0 und d
082 _a628.16 SCH
100 _aSCHROEDER,E.D.
245 _aWATER & WASTE WATER TREATMENT
260 _bMC-GRAW HILL
_c1977
300 _a370
942 _2ddc
_cB
999 _c39426
_d39426