Alan, V. Oppenhiem; Nawab, S Hamid; Willsky S. Alan Signals & Systems - 2nd ed. - New Delhi: Printice Hall. 1997 - 977p. ISBN: 81-7758-262-3 Subjects--Personal Names: Electrical Engineering Subjects--Topical Terms: Telecommunication Engineering Dewey Class. No.: 621.3822 OPP