@book{588-9900,
	school = {BFS},
	month = {Dec},
	language = {EN},
	title = {The Party System in Switzerland},
	institution = {Bundesamt für Statistik (BFS)},
	publisher = {Bundesamt für Statistik (BFS)},
	address = {Neuchâtel},
	copyright = {Bundesamt für Statistik (BFS)},
	ISBN = {3-303-17025-8},
	pages = {112},
	year = {2003},
	price = {10},
	number = {340176},
	url = {https://www.bfs.admin.ch/hub/api/dam/assets/340176/master}
}