Valaskakis, Kimon <br/><br/>
The Conserver Society  : a workable alternative for the future 

 - 5 ed. 
 - New York, Estados Unidos  Harper  1979 
 - 277  grafs. 
<br/><br/><label>ISBN: </label>0-06-014489-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología<br/>Prospectiva