@book{264,
	author = {Büttner, Siegfried; Kopp, Gabriele; Alberti, Josef.},
	title = {Planetino 2 Lehrerhandbuch Deutsch für Kinder },
	publisher = {Hueber Verlag, },
	year = {2010},
	address = {Germany:},
	url = {https://shop.hueber.de/de/planetino-2-lhb-978-3-19-321578-9.html}
}