Swiss Gemmological Institute (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Swiss Gemmological Institute" in English language version.

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admin.ch

edi.admin.ch

diamondworld.net

  • "Krzemnicki is appointed head of SSEF Swiss Gemmological Institute". DiamondWorld.

mining.com

nationaljeweler.com

nature.com

palagems.com

sciencedaily.com

ssef.ch