@book{53766,
	author = {Montgomery, Douglas C. and Runger, George C.},
	title = {Engineering statistics /},
	publisher = {John Wiley,},
	year = {c2007},
	address = {Hoboken, NJ :},
	edition = {4th ed.},
	note = {Includes index},
	url = {http://www.loc.gov/catdir/toc/ecip071/2006030759.html}
}