@book{25944,
	author = {Pyzdek, Thomas},
	title = {Six sigma handbook; a complete guide for green belts, black belts, and managers at all levels},
	publisher = {McGraw-Hill},
	year = {2003},
	address = {New York},
	edition = {rev. exp.},
	note = {"Lib. also has:- 2001 edition"}
}