Das,Priyabala, <br/><br/>
PRATHAMIK ABAYABIK NRITATTA 
by Priyabala Das 
 - Edu.   Rep. 
 - guwa:  guwahati univercity. 
<br/><br/><label>Subjects--Index Terms: </label>Earth sciences of other areas,General 
<br/><br/><label>Dewey Class. No.: </label>559