@book{be-d-40-langreg-01,
	school = {BFS},
	month = {May},
	language = {DE},
	title = {Sprachgebiete der Schweiz},
	institution = {Bundesamt für Statistik (BFS)},
	pages = {59},
	number = {2546353},
	url = {https://www.bfs.admin.ch/hub/api/dam/assets/2546353/master}
}