@book{1001,
	author = {Proakis, John G. and Manolakis, Dimitris G.},
	title = {Digital Signal Processing :},
	publisher = {Pearson/Prentice Hall,},
	year = {c 2022.},
	address = {Chennai :},
	edition = {4th ed.},
	note = {Includes index.}
}