@book{411-1971-df,
	school = {BFS},
	month = {Jan},
	language = {DE/FR},
	title = {Statistisches Jahrbuch der Schweiz 1971},
	institution = {Bundesamt für Statistik (BFS)},
	publisher = {Birkhäuser Verlag (VIRKVER)},
	address = {Basel},
	copyright = {Bundesamt für Statistik (BFS)},
	pages = {670},
	year = {1971},
	number = {346211},
	url = {https://dam-api.bfs.admin.ch/hub/api/dam/assets/346211/master}
}