@book{22648,
	author = {Schmid, Monika S. and ebrary, Inc.},
	title = {First language attrition, use and maintenance},
	publisher = {J. Benjamins Pub.,},
	year = {2002.},
	series = {Studies in bilingualism,},
	address = {Amsterdam ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10023483}
}