@book {9783779943518, 
	title = "Unterricht machen",
	author = "Bittner, Martin",
	isbn = "9783779943518",
	year = "2015",
	edition = "1",
	keywords = "Heterogenität, Unterrichtskonstitution, Kompetenzvermittlung, Lerngemeinschaft, Leistungsniveau",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783779943518",
	url = "https://content-select.com/de/portal/media/view/56cc0a32-4d98-44bf-8b42-5eeeb0dd2d03",
	publisher = "Beltz Juventa",
	language = "ger",
}