Kamen, Edward W. Introduction to signals and systems / Edward W. Kamen - Second edition - New York : Macmillan Publishing Company, 1990. - xiv, 706 pages : 23 cm. Includes index ISBN: 0023616814 Subjects--Topical Terms: Signal Theory (Telecommunication) LC Class. No.: TK 5102.5 K34 1990 CIRC