Encyclopedia of energy, Vols 1-5   
ed. by Gurudeep Raj, Madhu Arora and Ajay Kumar 
 - New Delhi  Anmol pub.  1993 
 - iv, 2035p 
<br/><br/><label>ISBN: </label>8170416957 
<br/><br/><label>Dewey Class. No.: </label>333.7  / N937.1-N937.5