Crystal David Ed. <br/><br/>
Cambridge encyclopedia. 

 - New York     Cambridge University Press      1990 
 - ix+Various Pages  cm. 
<br/><br/><label>Standard No.: </label>43082 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>k1,N90, N0  RR