000			00687nam a2200241Ia 4500
008			130910s9999 xx 000 0 und d
020			_a070022338X
041			_aeng
082			_221st ed. _a628.168 _bCLA/W, 2
100			_aClark, John W.
245			_aWater supply pollution control _c[by] John W. Clark, Warren Viessman and Mark J. Hammer
250			_a2nd ed.
260			_aNew York : _bInternational Textbook , _c1971
300			_axiii, 650p.
504			_aIndex: pp 651-61
653			_aEnvironmental engineering
653			_aPollution
653			_aWater chemistry
653			_aWater-Supply
700			_aHammer, Mark J.
700			_aViessman, Warren
942			_cEN _2ddc
999			_c10695 _d10695