Pay, D., Lucas, A., Hsu, T., Welch, E. & Salvato, A. (2017). An Inside Look at the 2017 Tucson Shows. Gems & Gemology, 53(1). Link to Article
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Pay, D., Lucas, A., Hsu, T., Welch, E. & Salvato, A. (2017). An Inside Look at the 2017 Tucson Shows. Gems & Gemology, 53(1). Link to Article