Proakis, John G. Digital signal processing : principle, algorithms, and applications/ John G. Proakis and Dimitris G. Manolakis. - 4th. ed. - New Delhi : Prentice-Hall, 2008. - 1084 p. : ill., figures, tables ; 21 cm. ISBN: 81-203-3030-7 Subjects--Topical Terms: Signal processing -- Digital techniques. Dewey Class. No.: 621.3822