Gunaratane,HS <br/><br/>
Rocks and Minerals of Ceylon  

 - ceylon  department national museum  1967 
 - 57p. : 2 ill ;  map ; 25 cm 
<br/><br/> copy 1 copy 2 and copy 3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ceylon national museum handbook series
<br/><br/><label>Universal Decimal Class. No.: </label>RC  / 561