@book{348305,
	author = {Davis, William S.},
	title = {Operating systems :},
	publisher = {Addison-Wesley,},
	year = {1992.},
	address = {[S.l.] :},
	edition = {4th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0201567016/chopaconline-20}
}