Smith, D.C., C. Domeneghetti, and L. Ungaretti. 1982. “Single-Crystal Structure Refinements of Super-Silicic Clinopyroxenes from the Zagadochnaya Kimberlite Pipe, Yakutia, USSR”. International Kimberlite Conference: Extended Abstracts 3 (September):223-23. https://doi.org/10.29173/ikc2306.