FINSTERBUSCH, Gail W. <br/><br/>
Man and Earth  : their changing relationship 

 - Indianapolis, Estados Unidos  Bobbs-Merril Company  1977 
 - 55 
<br/><br/><label>ISBN: </label>0-672-61325-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología