Clark, John W. Water supply and pollution control / John W. Clark, Warren Viessman, Jr., Mark J. Hammer. - 3d ed. - New York : IEP--Dun-Donnelley, Harper & Row, c1977. - xvii, 857 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0700224955 Subjects--Topical Terms: Water-supply.Sewage. Dewey Class. No.: 628.1 / CLW 1977