Kenward,  Michael <br/><br/>
Potential energy :  an analysis of world energy technology / 
Michael Kenward. 
 - Cambridge :  Cambridge University Press,  1976. 
 - x, 227 p. : ill. 
<br/><br/><label>ISBN: </label>0521210860 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power resources.<br/>Power (Mechanics).