@book{175832,
	author = {Marven, Craig. and Ewers, Gillian.},
	title = {A simple approach to digital signal processing /},
	publisher = {Wiley,},
	year = {c1996.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/bios/wiley041/96002518.html}
}