Cradle of language 
edited by Rudolf Botha and Chris Knight 
 - Oxford   Oxford University Press  2009 
 - xviii,386p.;  24cm. 
 - Studies in the evolution of language ; 12 .
<br/><br/><label>ISBN: </label>978-0-19-954586-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages-Origin<br/>Anthropological linguistics-Africa<br/>Historical linguistics-Africa
<br/><br/><label>Dewey Class. No.: </label>496.09  / CRA