@book{214079,
	author = {Zheng, Yongyan, and ebrary, Inc.},
	title = {Dynamic vocabulary development in a foreign language},
	publisher = {Peter Lang,},
	year = {2012.},
	series = {Linguistic insights : studies in language and communication,},
	address = {Bern ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10600076}
}