@book{32571,
	author = {Silberschatz, Abraham. and Galvin, Peter B.},
	title = {Operating system concepts /},
	publisher = {Wiley,},
	year = {2014.},
	address = {[Hoboken, NJ] :},
	edition = {9th ed.},
	url = {http://www.loc.gov/catdir/description/wiley041/2003272255.html}
}