Brown, Harrison.  x <br/><br/>
The chalenge of man's future  x 

 - x 
 - N.Y.  Viking  1970 
 - xii, 290 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population Population 
<br/><br/><label>Dewey Class. No.: </label>304.62/BEC