TY  - GEN
AU  - Peiris, B.P.S.
AU  - Dr. P.G.R. Dharmaratne
TI  - Heat treatment of gems with special emphasis on geuda stones
PY  - 1989///]
CY  - Moratuwa
PB  - University of Moratuwa
KW  - GEMS
KW  - PRECIOUS STONES
KW  - Master of Philosophy
N1  - TH142

UR  - http://dl.lib.mrt.ac.lk/handle/123/797
ER  -