Ammon,Ulrich   Ed. <br/><br/>
Status & function of langages & language varieties 

 - Berlin  Walter de Gruyter  1989 
 - x,665p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pz7
<br/><br/><label>Dewey Class. No.: </label>Pz7  / L9