Proakis, J.G. Proakis, J.G. & Manolakis, D.G. Digital Signal Processing Principles, Algorithms and Applications - 4th Ed. - South Asia Dorling Kindersley (India) Pvt. Ltd. 2013 - xix, 1136 p. 20 cm. Text in English ISBN: 978-81-317-1000-5 Dewey Class. No.: 621.3843 / PRO