@book {9783451818240, 
	title = "Allein unter Feinden?",
	author = "Sigmund, Thomas",
	isbn = "9783451818240",
	year = "2017",
	edition = "1",
	keywords = "Deutschland, Sicherheitspolitik, Politik/Zeitgeschichte",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783451818240",
	url = "https://content-select.com/de/portal/media/view/5c88dcd9-1244-46bd-ad74-6bc2b0dd2d03",
	publisher = "Verlag Herder",
	language = "ger",
}