David Crystal  <br/><br/>
Language death/ 
by David Crystal  
 - Cambridge:  Cambridge University Press,  2010. 
 - 198p. 
<br/><br/><label>ISBN: </label>9780521121750 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language Obsolescence<br/>Language
<br/><br/><label>Dewey Class. No.: </label>417.7  / DAV/L