@book{411-1981-df,
	school = {BFS},
	month = {Jan},
	language = {DE/FR},
	title = {Statistisches Jahrbuch der Schweiz 1981},
	institution = {Bundesamt für Statistik (BFS)},
	publisher = {Birkhäuser Verlag (VIRKVER)},
	address = {Basel},
	copyright = {Bundesamt für Statistik (BFS)},
	ISBN = {3-7643-1268-8},
	pages = {663},
	year = {1981},
	price = {90},
	number = {346231},
	url = {https://dam-api.bfs.admin.ch/hub/api/dam/assets/346231/master}
}