Couch, W. Leon. Digital and analog Communication Systems / Leon W. Couch - 8th ed. - India Dorling Kindersley (India) Pvt.Ltd c2014 - 676 p.: 23 cm. Includes index. English ISBN: 9789332518582 Subjects--Topical Terms: Digital CommunicationTelecommunication systems Dewey Class. No.: 621.382/COD