BROWN, Lester <br/><br/>
The Twenty-Ninth Day  : accommodating human needs and numbers to the earth's resources363 p.W.W. Norton  

 - 5. ed. 
 - New York, Estados Unidos  W.W. Norton   1978 
 - 363  tbls.; grafs. 
<br/><br/><label>ISBN: </label>0-393-05673-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología<br/>Política