Ziemer, Rodger E. Principles of communications : systems, modulation, and noise [7th ed.] - 7th ed. Wiley India ed. - New Delhi Wiley India 2015 - x, 734p. ; 24 cm. ISBN: 9788126556793 Subjects--Index Terms: Telecommunication Signal theory AA404 Dewey Class. No.: 621.3822 / ZIE.7E