Pirog Robert L. <br/><br/>
Energy economics theory and practice 

 - Prentice Hall  1987 
 - v,328p.  22 cm.  PB. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Energy  economics
<br/><br/><label>Dewey Class. No.: </label>333.79  / PIR