Padmanabhany, K.. A practical approach to digital signal processing / K. Padmanabhany, S. Anthi and R. Vijayarajeswaran. - New Delhi : New Age International , 2001. - x,416p. : ill.,tables ; 22cm . NULL ISBN: 8122412637 NULL Subjects--Index Terms: DIGITAL COMMUNICATION Dewey Class. No.: 621.3822 / PAO/P