@book{480,
	author = {Bluman, Allan G.},
	title = {Elementary statistics :},
	publisher = {McGraw-Hill,},
	year = {�2004.},
	address = {Boston :},
	edition = {5th ed.},
	url = {http://catdir.loc.gov/catdir/toc/fy038/2003044189.html}
}