Chao, Yuen Ren <br/><br/>
Language and symbolic systems / 
by Yuen Ren Chen. 
 - Cambridge :  University Press,  1968. 
 - xv, 240p. 
<br/><br/> Includes bibliography and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages<br/>Signs and symbols<br/>Writing