Prasad, <br/><br/>
Economic Geology:  Economic Mineral Deposits /  Textual Documents 
Umeshwar Prasad . 
 - 2nd ed. 
 - New Delhi  CBS Publishers & Distributors  2000 
 - pg 319:  19cm. 
<br/><br/><label>ISBN: </label>9788123904603 
<br/><br/><label>Subjects--Index Terms: </label>Economic geology G- Geology 
<br/><br/><label>Dewey Class. No.: </label>553