@book{831,
	author = {Billina, Anneli  and Marlen Brill, Lilli },
	title = {Deutsch üben Wortschatz & Grammatik B1},
	publisher = {Hueber Verlag ,},
	year = {2014},
	address = {Ismaning :},
	edition = {1.Auflage 2014}
}