FeatureGems & Gemology, Spring 2013, Vol. 49, No. 1

拍卖行:主要钻石和有色宝石的强大市场影响 (英语)

Russell Shor

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拍卖行:主要钻石和有色宝石的强大市场影响 |《宝石与宝石学》(Gems & Gemology)