@book{7474,
	author = {Durmuller, Urs},
	title = {L´evolution du plurilinguisme: d'une suisse quadrilingue a une suisse multilingue/ Urs Durmuller},
	publisher = {Pro Helvetia,},
	year = {1997},
	address = {Suica:},
	edition = {1 ed},
	note = {Inv. 2018}
}