@book{3928,
	author = {Oppenheim, Alan V., and Schafer, Ronald W.,},
	title = {Discrete-time signal processing /},
	publisher = {Prentice Hall ;},
	year = {2002,c1999.[Reprinted 2005, 2004, 2003, 2002, 2001]},
	address = {Upper Saddle River, N.J. :},
	edition = {2nd ed.}
}