TY  - GEN
AU  - Ariyarathna , D.H.
TI  - Gems of Shri Lanka
SN  - 9559549405
U1  - 553.8 
PY  - 1976///
CY  - London
PB  - Author 
KW  - Srilanka
KW  - Earth Sciences
KW  - Gems
ER  -