Grady, C. P. Leslie Biological wastewater treatment / C. P. Leslie Grady, Glen T. Daigger, Henry C. Lim - 2nd ed., revised & expanded - New York: Basel:Marcel Dekker, 1999 - xii, 1076 p.; 26 cm. - Environmental science and pollution control series; 19 . Includes bibliographical references and index ISBN: 0824789199 Subjects--Topical Terms: Sewage--Purification--Biological treatment