TY - BOOK AU - Grady,C.P.Leslie AU - Daigger,Glen T. AU - Lim,Henry C. TI - Biological wastewater treatment T2 - Environmental science and pollution control SN - 0824789199 AV - TD755 .G72 1999 PY - 1999///] CY - New York PB - Marcel Dekker KW - Sewage KW - Purification KW - Biological treatment ER -