@book{182748,
	author = {Hayes, M. H.},
	title = {Schaum's outline of theory and problems of digital signal processing /},
	publisher = {McGraw Hill,},
	year = {c1999.},
	series = {Schaum's outline series},
	address = {New York :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0739/98043324-b.html}
}