THE JOURNAL OF GEMMOLOGY
journal52221
E091916
GB
1355-4565
English
Rivista
Gemmological Association and Gem Testing Laboratory of Great Britain:27 Greville Street, London EC1N 8SU United Kingdom:011 44 207 4043334, EMAIL: gagtl@btinternet.com, Fax: 011 44 207 4048843
1986
unknown
false