TY  - GEN
AU  - Ariyarathna , D. H.
TI  - Gems of Sri Lanka
SN  - 9559549405
U1  - 553.8095493 
PY  - 1976///
CY  - London
PB  - Author
KW  - MINERALOGY
KW  - GEOLOGY
KW  - GEM INDUSTRY OF SRI LANKA
KW  - GEMMOLOGY
ER  -