Clive, Gamble <br/><br/>
Timewalkers: the prehistory of global colonization 

 -  London, Penguin Books  1995 
 - 309 
<br/><br/> 2288 
<br/><br/><label>ISBN: </label> 506 
<br/><br/><label>Dewey Class. No.: </label>930.11  / GAM-T