@book {9783781553842, 
	title = "Schulentwicklung am Oberstufen-Kolleg",
	isbn = "9783781553842",
	edition = "1",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783781553842",
	url = "https://content-select.com/de/portal/media/view/55102379-1b48-4c3c-8cbb-0f44b0dd2d03",
	publisher = "Verlag Julius Klinkhardt",
}