@book{549,
	author = {Hennessy, John L. and Patterson, David A.},
	title = {Computer architecture :},
	publisher = {Morgan Kaufmann,},
	year = {2007.},
	address = {Amsterdam ;},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0618/2006024358.html}
}