@book{944,
	author = {Perlmann-Balme, Michaela and Schwalb, Susanne},
	title = {Sicher! C1.1 Lektion 1-6 Kursbuch und Arbeitsbuch },
	publisher = {Hueber Verlag, },
	year = {2015},
	address = {Ismanning :},
	edition = {1.Auflage 2015}
}