B. Gurugnanam <br/><br/>
Essentials of Hydrogeology 

 - New Delhi  New India Publishing Agency  2009 
 - 268p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-90851-29-9 
<br/><br/><label>Dewey Class. No.: </label>551.49  / GUR