@book{769,
	author = {Koukidis, Spiros and Näfken, Andrea},
	title = {Werkstatt B1 - Training zur Prüfung Zertifikat B2},
	publisher = {Praxis-Verlag 2014,},
	year = {2014},
	address = {Greece :},
	edition = {1.Auflage 2014}
}