Kenneth A. <br/><br/>
Humam Variation in Space and Time. 

 - Dubuque, Lowa.  W.M.C Brown Company Pub.  1976 
 - viii, 88 p 
<br/><br/><label>ISBN: </label>697075427 
<br/><br/><label>Dewey Class. No.: </label>599.94