Crystal, David <br/><br/>
Language death 
by David Crystal 
 - Cambridge  Cambridge University Press  c2000 
 - x,198p. ; 22cm. 
<br/><br/><label>ISBN: </label>0521653215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language obsolescence
<br/><br/><label>Dewey Class. No.: </label>417.7  / CRY