Ammon, Ulrich, <br/><br/>
Status Change of Languages : 

 -  Walter de Gruyter,  1992. 
 - 568 pages 
<br/><br/><label>ISBN: </label>9783110126686 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language Arts & Disciplines.
<br/><br/><label>Dewey Class. No.: </label>306.44  / AMM