@book{133,
	author = {Poppel, Harvey L. and Goldstein, Bernard.},
	title = {Information Technology : the trillion-dollar opportunity},
	publisher = {Mcgraw-Hill,},
	year = {1987.},
	address = {[S.l.] :},
	edition = {1st Printing ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/007050511X/chopaconline-20}
}