000			00363nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a551.480 2
100			_aAmerican Water Works Asson.
245			_aWater quality and treatment. 3rd ed.
260			_aNY _bMcGraw-Hill _c1971
300			_a654
650			_aHydrology
653			_aHydrology
942			_2ddc _cBK
999			_c7274 _d7274