@book{20264,
	author = {Leonardo, and Richter, Irma A.},
	title = {Notebooks /},
	publisher = {Oxford University Press,},
	year = {c2008.},
	series = {Oxford world's classics},
	address = {Oxford ;},
	edition = {New ed.},
	note = {First published in 1952.},
	url = {http://www.loc.gov/catdir/toc/ecip082/2007042346.html}
}