@book{181260,
	author = {Porter, Roy, and ebrary, Inc.},
	title = {The Hutchinson dictionary of scientific biography},
	publisher = {Helicon,},
	year = {2005.},
	address = {Oxford :},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10130733}
}