Haykin, Simon S., An introduction to analog and digital communications / by Simon Haykin - New York ; New Delhi : John Wiley and Sons., c1989. - xvi, 652 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 9789752105560 (pbk.) 9752105564 (pbk.) 0471859788 Subjects--Topical Terms: Telecommunication systems. Dewey Class. No.: 621.38 / HAY/I