Harish Kumar <br/><br/>
Prithvi ka khajana (HIN) 

 - Delhi  Rashtriya Praudh Sahitya  1992 
 - 238p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Science (Geology)
<br/><br/><label>Dewey Class. No.: </label>553 HAR