Water pollution research and development : part 1, proceedings of a conference held in Toronto, Canada, 23-27 June, 1980 / executive editor, S.H. Jenkins. Water science and technology. Jenkins, S. H. (Samuel Harry) International Association on Water Pollution Research. Conference (10th : 1980 : Toronto, Ont.) Water Pollution Congresses. TD419.5 .W37 1981 628.168 JEW Includes bibliographical references and index. New York : Pergamon, c1981. c1981. 1981 Text Xii, 384 p. : eng