@book{771,
	author = {Giersberg ,Dagmar  and Schnack, Arwen},
	title = {Vielfalt B2.1 Kurs- und Arbeitsbuch plus interaktive Version },
	publisher = {Hueber Verlag, },
	year = {2021},
	address = {Ismaning :},
	edition = {1.Auflage}
}