@book {6368,
	title = {Art and Illusion. A Study in the Psychology of Pictorial Representation. The A.W. Mellon Lectures in the Fine Arts},
	year = {1992},
	month = {1956},
	pages = {412},
	publisher = {Phaidon},
	organization = {Phaidon},
	address = {London},
	author = {Gombrich, Ernst}
}
