000 00262nam a2200109Ia 4500
008 160710s1989 xx 000 0 und d
100 _aECKENFELDER,W.
245 _aINDUSTRIAL WATER POLLUTION CONTROL
260 _bM.G.H.
_c1989
300 _a400
942 _2ddc
_cB
999 _c47906
_d47906