@book{409-2004,
	school = {BFS},
	month = {Sep},
	language = {EN},
	title = {Swiss civil aviation 2020},
	institution = {Bundesamt für Statistik (BFS), Bundesamt für Zivilluftfahrt (BAZL)},
	publisher = {Bundesamt für Statistik (BFS)},
	address = {Neuchâtel},
	copyright = {Bundesamt für Statistik (BFS)},
	pages = {24},
	year = {2021},
	price = {8},
	number = {18224090},
	url = {https://dam-api.bfs.admin.ch/hub/api/dam/assets/18224090/master}
}