Twidell, John.  2015 <br/><br/>
Renewable energy resources/ 
John Twidell and Tony Weir. 
 - 3rd ed. 
 - New York:  Routledge,  2015. 
 - xxx, 784 p . :  ilustr. ;   25 cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9780415584371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Renewable energy sources.
<br/><br/><label>LC Class. No.: </label>TJ808  / TWI 2015