@book{236592,
	author = {Kemp, Martin. and Leonardo, and ebrary, Inc.},
	title = {Leonardo da Vinci},
	publisher = {Oxford University Press,},
	year = {2006.},
	address = {Oxford ;},
	edition = {Rev. ed.},
	note = {Previous ed: Cambridge Mass. : Harvard, 1981.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10177888}
}