@book{196643,
	author = {Silberschatz, Abraham. and Gagne, Greg.},
	title = {Operating system concepts (EBOOK)},
	publisher = {J. Wiley & Sons,},
	year = {c2009.},
	address = {Hoboken, NJ :},
	edition = {8th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0838/2008277110-b.html}
}