1. EGL USA test Stability of Artificially Irradiated Colored Diamonds, Rapaport;Simic,2004
2. Gems & Gemology in Review: Colored Diamonds;King,2006
3. A new HPHT Process to Modify Color of Natural Diamonds — Abstract, European Diamond Conference, Porto;Deljanin,2000
4. Diamonds: Blue and Pink, HPHT-annealed;Hall,2000
5. European Diamond Conference, abstract, Budapest;Deljanin,2001