Sorensen, B. <br/><br/>
Renewable energy / 
B. Sorensen. 
 - New York   Academic Press,  c1980. 
<br/><br/> Includes Index 
<br/><br/>
<br/><br/><br/>English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Renewable energy sources
<br/><br/><label>Dewey Class. No.: </label>621.042/SOR