@book{55300,
	author = {Maynard, Robert L. and ebrary, Inc.},
	title = {Particulate matter: properties and effects upon health},
	publisher = {Bios Scientific in association with the Royal Microscopical Society,},
	year = {1999.},
	address = {Oxford :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=5000315}
}