Rao, P. Ramakrishna. Signals and systems [Book]. P. Ramakrishna Rao, Shankar Prakriya - New Delhi : McGraw-Hill Education, c2013. - 610 Pages : 24 cm. Includes index. All ISBN: 9781259062742 Subjects--Topical Terms: Signals and systems.Electrical engineering. Dewey Class. No.: 621.3822