@book{21560,
	author = {Montgomery, Douglas C. and Runger, George C.},
	title = {Engineering statistics /},
	publisher = {John Wiley & Sons,},
	year = {c2001},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/onix07/00039241.html}
}