Shamshina, E.A., et al. “Facial Characteristics of Kimberlite Rocks from the Northern and Southern Parts of the Yakutian Kimberlite Province (in the Light of the Duken and Daldyn Kimberlite Fields)”. International Kimberlite Conference: Extended Abstracts, vol. 8, June 2003, doi:10.29173/ikc3242.