Sorensen, Bent,  1941- <br/><br/>
Renewable energy / 
Bent Sorensen. 
 - London :  Academic Press,  1979. 
 - xvii, 683 p. :  ill. ;  24 cm. 
 - Energy science and engineering .
<br/><br/> Includes index 
<br/><br/>Bibliography: p.  656 -670 
<br/><br/><label>ISBN: </label>0126561508 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Renewable energy sources.