Oppenheim, Alan V., 1937- Discrete-time signal processing / Alan V. Oppenheim, Ronald W. Schafer. - Englewood Cliffs, N.J. : Prentice Hall, c1989. - xv, 879 p. : ill. ; 25 cm. - Prentice-Hall signal processing series . Includes index. Bibliography: p. 851-868. ISBN: 013216292X LCCN: 88025562 Subjects--Uniform Titles: CIT Subjects--Topical Terms: Discrete-time systems. Dewey Class. No.: 621.38043