Durmuller, Urs. <br/><br/>
Changing patterns of multilingualism :  from quadrilingual to multilingual Switzerland / 
Urs. Durmuller  
 - Zurich :  Pro Helvetia,  1997. 
 - 98 p. :  ill. ;  21 cm.  
 - Information / Pro Helvetia .
 - Information (Zurich, Switzerland). .
<br/><br/>Includes bibliographical references (p. [97]-98). 
<br/><br/><label>ISBN: </label>3908102480 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Multilingualism--Switzerland.
<br/><br/><label>Dewey Class. No.: </label>306.44609494  / DUC 1997