@book {321,
	title = {Sassetta: The Borgo San Sepolcro Altarpiece},
	year = {2009},
	publisher = {Villa I Tatti},
	organization = {Villa I Tatti},
	address = {Florence},
	url = {http://www.hup.harvard.edu/catalog.php?isbn=9780674035232},
	editor = {Machtelt Isra{\"e}ls}
}
