@book{39909,
	author = {International L.A.U.D.-Symposium and Reif-H�ulser, Monika. and ebrary, Inc.},
	title = {Variation in language and language use},
	publisher = {Peter Lang,},
	year = {2013.},
	series = {Duisburg papers on research in language and culture ;},
	address = {Frankfurt am Main :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10722920}
}