Agarwal, S K <br/><br/>
Eco informatics , Vol. V  : Non-Conventional energy systems 
/ by S.K. Agarwal 
 - New Delhi:  A.P.H. Publishing Corporartion,  2002. 
 - 160p. 
<br/><br/><label>Dewey Class. No.: </label>574.6  / AGA/E