000			00323nam a2200133Ia 4500
008			160710s1993 xx 000 0 und d
082			_a628.1 VIE
100			_aVIESSMAN,W.
245			_aWATER SUPPLY AND POLLUTION CONTROL
250			_a5TH
260			_bHARPER COLLINS COLL.PUB. _c1993
300			_a860
942			_2ddc _cB
999			_c50596 _d50596