Hammer, Mark J. Water and waste-water technology / Mark J. Hammer and Mark J. Hammer Jr. - 4th ed. - New Delhi : Prentice-Hall of India, c2001 [Reprinted 2002]. - vii, 536 pages : illustrations ; 24 cm. Includes bibliographical references and index. ISBN: 8120321081 Subjects--Topical Terms: Water-supply engineering.Sewage disposal. Dewey Class. No.: 628.1 HAM