@book{159807,
	author = {Gelderen, Elly van. and ebrary, Inc.},
	title = {Grammaticalization as economy},
	publisher = {John Benjamins Pub.,},
	year = {2004.},
	series = {Linguistik aktuell =},
	address = {Philadelphia, PA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10064636}
}