@book {6493,
	title = {A Treatise on Painting},
	year = {2014},
	month = {1802},
	publisher = {J. Taylor},
	organization = {J. Taylor},
	type = {ebook},
	edition = {translated by John Francis Rigaud },
	address = {London},
	url = {https://www.gutenberg.org/files/46915/46915-h/46915-h.htm},
	author = {Da Vinci, Leonardo}
}
