Oppenheim, Alan V., Willsky, Alan S. and Hawab, S. Hamid Signals and systems - 2nd ed. - New Delhi ; Phi Learning , 2009 - xxx,957p. ISBN: 9788120312463 395 Subjects--Topical Terms: Electrical EngineeringLinear SystemsSignals Dewey Class. No.: 621.3822 / OPP