Egorov, K.N., G.V. Bogdanov, L.V. Solovjeva, V.G. Barankevich, and V.I. Lipskaya. 1991. “Evidence of Magmatism, Matasomatism and Deformation Processes Obtained from the Study of the Unique Compositionally Complex Nodule from the Udachnaya Kimberlite Pipe (Yakutia)”. International Kimberlite Conference: Extended Abstracts 5 (February):495-97. https://doi.org/10.29173/ikc2400.