Thomas M. Moses and James E. Shigley
An Investigation into the Cause of Color in Natural Black Diamonds from Siberia
Sergey V. Titkov, Nikolay G. Zudin, Anatoliy I. Gorshkov, Anatoliy V. Sivtsov, and Larisa O. Magazina
Obtaining U.S. Copyright Registration for the Elara Square Cut-Cornered Brilliant Diamond
Howard B. Rockman
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