@book{229772,
	author = {Cohen, Howard J., and ebrary, Inc.},
	title = {Certifying personal protective technologies},
	publisher = {National Academies Press,},
	year = {c2011.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10459090}
}