000 00297nam a2200121Ia 4500
008 160710s1997 xx 000 0 und d
082 _a628.5 ECK
100 _aECKENFELDER ,W.W.
245 _aDEVELOPING INDUSTRIAL WATER POLLUTION
260 _bTECHNOMIC
_c1997
300 _a218
942 _2ddc
_cB
999 _c54768
_d54768