Das, J Principles of digital communication / [Book]. J. Das, S.K. Mullick, P.K. Chatterjee. - New York : Wiley, 1986. - xv, 645 p. : ill. ; 25 cm. "A Halsted Press book." Includes bibliographies and index. ISBN: 0470202408 LCCN: 85016347 Subjects--Topical Terms: Digital communications.