@book {9783830986515, 
	title = "»Friedenstag« von Stefan Zweig, Richard Strauss und Joseph Gregor",
	author = "Petersen, Peter",
	isbn = "9783830986515",
	year = "2017",
	edition = "1",
	keywords = "20. Jahrhundert, Deutschland, Politik, Österreich, Nationalsozialismus, Oper, Stefan Zweig, Richard Strauss, 3. Reich, Joseph Gregor, Friedenstag",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783830986515",
	url = "https://content-select.com/de/portal/media/view/5aa25a23-aab8-44e7-bc41-27cab0dd2d03",
	publisher = "Waxmann Verlag",
	language = "ger",
}