TY - BOOK AU - Grady, C. P. Leslie, AU - Daigger, Glen T.;Lim, Henry C., ED - ED - ED - ED - SN - 0-8247-8919-9 (hardcover) SN - 2 PY - 1999///.46 CY - New York, NY PB - Marcel Dekker KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Purification;Biological treatment KW - Sewage N1 - Authors erroneously listed as editors on t.p; Includes bibliographical references and index; 5 ER -