N D Kaushika , Kshitij Kaushik <br/><br/>
Energy ,ecology and environment : a technological approach 

 - Capital publ., New Delhi  c2004 
 - xii,177p 
<br/><br/><label>ISBN: </label>81-85589-20-8 
<br/><br/><label>Dewey Class. No.: </label>301.303 Kau/Kau