Vas, Gratian <br/><br/>
Geothermal energy 

 - New Delhi  Learners Press  1993 
 - 31 p.  Illustration 
<br/><br/><label>ISBN: </label>8171810942 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy Engineering
<br/><br/><label>Dewey Class. No.: </label>621.042  / VAS