@book{8771,
	author = {Hellerman, Herbert. and Conroy, Thomas F.},
	title = {Computer system performance /},
	publisher = {McGraw-Hill Inc.,US,},
	year = {1975.},
	series = {Mcgraw-hill computer science series.},
	address = {[S.l.] :},
	edition = {1St Edition.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070279535/chopaconline-20}
}