@book{343036,
	author = {Weiss, Neil A & Hassett, Matthew J.},
	title = {Introductory statistics 3rd ed /},
	publisher = {Addison-Wesley,},
	year = {1991.},
	address = {[S.l.] :},
	edition = {3Rev Ed ed.},
	note = {Import.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0201178338/chopaconline-20}
}