Peiris, B.P.S.
Heat treatment of gems with special emphasis on geuda stones - Moratuwa University of Moratuwa [1989]
TH142
GEMS
PRECIOUS STONES
Master of Philosophy (MPhil)
549.091 / P4
Heat treatment of gems with special emphasis on geuda stones - Moratuwa University of Moratuwa [1989]
TH142
GEMS
PRECIOUS STONES
Master of Philosophy (MPhil)
549.091 / P4