@book{563,
	author = {Gerbes, Johannes and van der Werff, Frauke},
	title = {Fit fürs Zertifikat B1 Deutschprüfung für Erwachsene},
	publisher = {Hueber Verlag, },
	year = {2013},
	series = {Fit fürs},
	address = {Ismaning :},
	edition = {1.Auflage}
}