@book{46234,
	author = {Yang, Kai and El-Haik, Basem},
	title = {Design for six sigma :},
	publisher = {McGraw-Hill,},
	year = {c2009},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0821/2008027098.html}
}