Rajeswari, K Raja. Signals and systems / by K Raja Rajeswari and B. Visvesvara Rao. - / . - New Delhi : PHI Learning , 2009. - xii, 251p. : ills. ; 24cm 1 CD . Includes index ISBN: 9788120338593 RS225.00 Subjects--Index Terms: APPLIED PHYSICS Dewey Class. No.: 621.3822 / RAJ/S