@book{1226,
	author = {Silberschatz, Abraham. and Galvin, Peter B.},
	title = {Operating system concepts /},
	publisher = {Wiley,},
	year = {c2003.},
	address = {[Hoboken, NJ] :},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/description/wiley041/2003272255.html}
}