Couch,Leon W Digital and analog communication systems / Leon W. Couch II. - 6th - New York : Prentice 2001 - xxv, 758p. : ill. ; 25 cm Includes index 0 0 ISBN: 0-13-081223-4 Source: 2001-238 Subjects--Topical Terms: Telecommunication systems.Digital communications. LC Class. No.: TK 5101. / C69