@book {9783967073331, 
	title = "Beethoven",
	isbn = "9783967073331",
	edition = "1",
	keywords = "Musik, Beethoven, Ludwig van, Quartette",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783967073331",
	url = "https://content-select.com/de/portal/media/view/5e64fa79-e430-42f7-aac1-22b4b0dd2d03",
	publisher = "edition text+kritik",
	language = "ger",
}