The Evolutionary emergence of language :  social function and the origins of Linguistic form / 
edited by Chris Knight, Michael Studdert-Kennedy, James R. Hurford 
 - Cambridge :  The University Press,  2000 
 - xi, 426 p. :  fig. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0521786967 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Origin<br/>Anthropological linguistics<br/>Human evolution
<br/><br/><label>Dewey Class. No.: </label>401