@book{122570,
	author = {Roughton, James E. and Crutchfield, Nathan. and ebrary, Inc.},
	title = {Job hazard analysis},
	publisher = {Elsevier/Butterworth-Heinemann,},
	year = {c2008.},
	address = {Amsterdam ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10205969}
}