Geological Survey and Mines Burearu <br/><br/>
Sri Lanka Minerals Yearbook  2011 

 - Sri Lanka,   Geological Survey and Mines Burearu,   2011,  
 - 43p.  28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sri Lanka Minerals Yearbook
<br/><br/><label>Dewey Class. No.: </label>STAT041