Mikhailov, M.V., M.Yu. Kuznetsova, T.S. Kuzmina, A.A. Polyakov, and L.l. Lukyanova. 1998. “New Data on Potential Diamond Presence in Western Russia”. International Kimberlite Conference: Extended Abstracts 7 (1):582-83. https://doi.org/10.29173/ikc2811.