000			00297nam a2200109Ia 4500
008			160710s1964 xx 000 0 und d
100			_aGUBRUD,ARNE E. ED.
245			_aJOURNAL AMERICAN WATER WORKS ASSOCIATION
260			_bAMERICAN WATER WORKS ASSOCIATION _c1964
300			_a96
942			_2ddc _cB
999			_c35406 _d35406