@book{37724,
	author = {Leonardo, and Richter, Irma A. and ebrary, Inc.},
	title = {Notebooks},
	publisher = {Oxford University Press,},
	year = {2008.},
	series = {Oxford world's classics},
	address = {Oxford ;},
	edition = {New ed.},
	note = {First published in 1952.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10237109}
}