Yago, Jeffrey R <br/><br/>
Achieving energy independence one step at a  time / 
Jeffrey R. Yago 
 - Gum Spring, Virginia :  Dunimis Technology,  2002       
 - 183 p. 
<br/><br/><label>ISBN: </label>0966933605 
<br/><br/><label>LC Class. No.: </label>TJ 163 Y12a 2002