Changing patterns of multilingualism from quadrilingual to multilingual Switzerland Mehrsprachigkeit im Wandel. English Dürmüller, Urs. creator text bibliography sz Zurich Pro Helvetia 1997 1st ed. monographic eng ger
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98 p. : ill., maps ; 21 cm. Urs Dürmüller. Includes bibliographical references p. 97-98). e-sz--- Multilingualism Switzerland P115.5.S9 D8713 1997 306.44609494 DUC Information (Zurich, Switzerland). English 3908102480 98164315 DLC 980625 20160407152749.0 1206347