@book{45335,
	author = {Harr, Anne-Katharina. and ebrary, Inc.},
	title = {Language-specific factors in first language acquisition},
	publisher = {De Gruyter Mouton,},
	year = {2012.},
	series = {Studies on language acquisition,},
	address = {Boston :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10649271}
}