Sobolev, V.N., et al. “Metasomatism of the Mantle Beneath Yakutia: A Quantitative Study of Secondary Chemistry and Mineralogy in Udachnaya Eclogites”. International Kimberlite Conference: Extended Abstracts, vol. 7, no. 1, Apr. 1998, pp. 835-7, doi:10.29173/ikc2901.