@book{31236,
	author = {Cristi, Roberto.},
	title = {Modern digital signal processing /},
	publisher = {Thomson/Brooks/Cole,},
	year = {c2004.},
	address = {Canada :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1212/2002117210-d.html}
}