@book {9783518755778, 
	title = "Gesellschaftsstruktur und Semantik",
	author = "Luhmann, Niklas",
	isbn = "9783518755778",
	year = "2016",
	edition = "1",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783518755778",
	url = "https://content-select.com/de/portal/media/view/5953c8d2-e7a4-460d-a413-0413b0dd2d03",
	publisher = "Suhrkamp Verlag",
	language = "ger",
}