Tools language and cognition in human evolution 
edited by Kathleen R. Gibson 
 - Cambridge  Cambridge University Press  1993 
 - 483 p. :  ill. ;  25 cm. 
<br/><br/>p. 471-472 
<br/><br/><label>ISBN: </label>0521414741  RM188.10 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human evolution--Congresses<br/>Social evolution--Congresses<br/>Brain--Evolution--Congresses<br/>Language and culture--Congresses<br/>Culture and cognition--Congresses<br/>Tools--Social aspects--Congresses<br/>Tool use in animals--Congresses