@book{71361,
	author = {Douglas, Mary, and ebrary, Inc.},
	title = {Natural symbols},
	publisher = {Routledge,},
	year = {1996.},
	address = {London ;},
	note = {Originally published: 2nd ed. London : Barrie and Jenkins, 1973.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10057163}
}