@book{411-1991-df,
	school = {BFS},
	month = {Dec},
	language = {DE/FR},
	title = {Statistisches Jahrbuch der Schweiz 1991},
	institution = {Bundesamt für Statistik (BFS)},
	publisher = {NZZ Libro (NZZ_BUCHV)},
	address = {Zürich},
	copyright = {NZZ Libro (NZZB)},
	ISBN = {3 85823 288 2},
	pages = {411},
	year = {1991},
	price = {90},
	number = {4704029},
	url = {https://dam-api.bfs.admin.ch/hub/api/dam/assets/4704029/master}
}