Vidhyasagar Dubey and Prabhashankar Mishr <br/><br/>
Bhoo-vigyan : Ek Parichay 
Prabhashankar Mishr and Vidhyasagar Dubey  
 - Bhopal  MP Hindi Granth Academy  
 - 636p. 
<br/><br/><label>Dewey Class. No.: </label>550