@book{129662,
	author = {Pyzdek, Thomas. and ebrary, Inc.},
	title = {The Six Sigma handbook},
	publisher = {McGraw-Hill,},
	year = {c2003.},
	address = {New York :},
	edition = {Rev. and expanded ed.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10152983}
}