@book{213694,
	author = {Langacker, Ronald W. and ebrary, Inc.},
	title = {Concept, image, and symbol},
	publisher = {Mouton de Gruyter,},
	year = {1991.},
	series = {Cognitive linguistics research ;},
	address = {Berlin ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10599309}
}