@book{3655,
	author = {Oppenheim, Alan V., and Willsky, Alan S.},
	title = {Signals & systems /},
	publisher = {Prentice Hall ;},
	year = {c1997 [reprinted 2005].},
	series = {Prentice-Hall signal processing series},
	address = {Upper Saddle River, N.J. :},
	edition = {2nd ed.},
	note = {Includes index.}
}