Dubey Vidya Sagar <br/><br/>
Bharat ka arthik bhugarbh shastra (Economci geolog 
Dubey Vidya Sagar 
 - 2 
 - Lucknow  Hindi Samiti India          1988 
 - 346p.  cm. 
 - Hindi Samit Granthamala .52 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H7.2.N6, K8