Garanin, V.K. and Posukhova, T.V. 1995. Typomorphism of microcrystalline oxides from kimberlite groundmass in Arkhangelsk kimberlite province. International Kimberlite Conference: Extended Abstracts. 6, 1 (Sep. 1995), 177–178. DOI:https://doi.org/10.29173/ikc1823.