@book{6571,
	author = {Ifeachor. and Shrader, Robert L.},
	title = {Digital Signal Processing :},
	publisher = {Prentice Hall,},
	year = {2011.},
	address = {[2nd ed] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8131708241/chopaconline-20}
}