@book {9783781554306, 
	title = "Qualität in der Bildung",
	isbn = "9783781554306",
	edition = "1",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783781554306",
	url = "https://content-select.com/de/portal/media/view/55f15a45-ea64-42a9-bc54-1c26b0dd2d03",
	publisher = "Verlag Julius Klinkhardt",
}