@book{22013,
	author = {Nisan, Noam. and Schocken, Shimon.},
	title = {The elements of computing systems :},
	publisher = {MIT,},
	year = {2008.},
	address = {Cambridge, Mass. ;},
	edition = {1st MIT Press pbk. ed.},
	note = {Originally published: 2005.}
}