@inbook {6371,
	title = {Natural Deception},
	booktitle = {Illusion in Nature and Art},
	year = {1980},
	pages = {97-159},
	publisher = {Duckworth},
	organization = {Duckworth},
	address = {London},
	author = {Hinton, H. E.},
	editor = {Gombrich, Ernst and R. L. Gregory}
}
