Zoysa E Gamini G.
Gem deposits in Sri Lanka with special emphasis on recent discoveries - 1986. - 110-114. - The Australian Gemmologist, vol.16,No.3. .
Photocopy (BLLD).
GEMS
GEMS-SRI LANKA
549(548.7) / Z6
Gem deposits in Sri Lanka with special emphasis on recent discoveries - 1986. - 110-114. - The Australian Gemmologist, vol.16,No.3. .
Photocopy (BLLD).
GEMS
GEMS-SRI LANKA
549(548.7) / Z6