00329nam a2200109Ia 4500008004100000100001500041245002800056260003600084942000700120952007500127999001700202240817s9999 xx 000 0 und d aW.W.Asso., 0aWater quality treatment c, 1971a New Yorkb McGraw-Hall cBK 00104070aTCLbTCLd2024-08-21l0p34122r2024-08-21w2024-08-21yBK c24849d24849