Heilbroner, Robert Louis  1919 <br/><br/>
An inquiry into the human prospect : Updated and reconsidered for the 1980s. 

 - New York :  W. W. Norton and Co.,  1980. 
 - 191 p. 
<br/><br/><label>ISBN: </label>0393013715 0393951391 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PROGRESO