Umana-Quesada, Alvaro  <br/><br/>
Energy economics  

 - New York:   Wiley,   1990 
 - x, 106p. 
<br/><br/><label>ISBN: </label>9780470216835 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Economics  
<br/><br/><label>Universal Decimal Class. No.: </label>620.9  / N0