The origin and diversification of language  [Texte imprimé] / 
ed. by Nina G. Jablonski, Leslie C. Aiello 
 - San Francisco:  The California Academy of Sciences,  1998 
 - 202 p. ;  25 cm 
<br/><br/> Index 
<br/><br/>Notes bibliogr. 
<br/><br/><label>ISBN: </label>0-940228-46-7 
<br/><br/><label>Dewey Class. No.: </label>407