Monga, G S  & Sanctis, V J <br/><br/>
Nonconventional Energy : growth, resources and policies 

 - Vikas, New delhi  1994 
 - 187 
<br/><br/><label>ISBN: </label>0-7069-7622-3 
<br/><br/><label>Dewey Class. No.: </label>333.8 Mon/San