Patwardhan, A. D. Industrial waste water treatment/ A. D. Patwardhan - New Delhi : Prentice-Hall, 2008 - xi, 292 p.; 25 cm. Includes bibliographical references and index ISBN: 9788120333505(pbk.) Rs.275.00 Subjects--Topical Terms: Sewage--Purification Dewey Class. No.: 665.5389