@book{4815,
	author = {Proakis, John G. and Manolakis, Dimitris G.},
	title = {Digital signal processing :},
	publisher = {Macmillan ;},
	year = {c2007.[reprinted 2008]},
	address = {New York :},
	edition = {4th ed.},
	note = {Eastern Economy Edition}
}