Kostrovitsky, S.l., and D. de Bruin. “Ultramafic Association of Minerals (garnet-Ureyite Diopside-Chromspinelid) in Micaous Kimberlites of Yakutian Province”. International Kimberlite Conference: Extended Abstracts, vol. 7, no. 1, Apr. 1998, pp. 463-5, doi:10.29173/ikc2769.