@book{21147,
	author = {Montgomery, Douglas C. and Runger, George C.},
	title = {Engineering statistics /},
	publisher = {Wiley,},
	year = {2004},
	address = {New York :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/wiley031/2002192276.html}
}