@book{749,
	author = {Norton, Peter.},
	title = {Peter Nortons essential concepts.},
	publisher = {McGraw-Hill Technology Education,},
	year = {c2006.},
	address = {Boston :},
	edition = {6th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/bios/mh051/2004061018.html}
}
