DRYDEN, I G C. <br/><br/>
The Efficient use of Energy 

 - 2nd ed 
 - UK  Butterworth & Co, Ltd  1982 
 - xiii, 602p 
<br/><br/><label>ISBN: </label>0-408-01250-1 
<br/><br/><label>Dewey Class. No.: </label>621.402