Keel, William D <br/><br/>
German language varieties worldwide : internal and external perspectives = Deutsche Sprachinseln weltweit 
William D Keel Klaus J. Mattheier 
 - Bern  Peter Lang  2003 
 - 325p 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>9783631390252 
<br/><br/><label>Dewey Class. No.: </label>430 KEE