Bahn, Paul -LRB- 1996 -RRB- '' The atlas of world archeology '' Copyright 2000 The Brown Reference Group PLC Example societies are the Lepenski Vir as well as some contemporary hunter-gatherers such as the Tlingit.
ISBN 0-13-357005-3 Bahn, Paul -LRB- 1996 -RRB- '' The atlas of world archeology '' Copyright 2000 The Brown Reference Group PLC Other websites Early Voices : The Leap to Language by Nicolas Wade '' Human Evolution ',' Microsoft ® Encarta ® Online Encyclopedia 2007 © 1997-2007 Microsoft Corporation.