Colin Renfrew, April McMahon & Larry Trask <br/><br/>
Time Depth in Historical Linguistics  Papers in the Prehistory of Languages 

 - Cambridge  McDonald Institute for Archaeological Research  2000 
 -  Volume 1 .
<br/><br/><label>ISBN: </label>1-902937-06-6 
<br/><br/><label>Dewey Class. No.: </label>417.7RENT