004350000a22001690004500003000900000005001700009100004400026245003700070020001800107050003100125264003900156300001100195041000800206650001100214650002000225650002000245PH-MaWHO20241108112234.0 aGrady, C P L ; Daigger, G T ; Lim, H.C. aBiological wastewater treatment. a0-8247-8919-9 a2nd ed., rev. and expanded aNew York : bMarcel Dekker,c1999. a1076p. aeng aSewage aWaste treatment aWater treatment