Mahotkin, I.L., et al. “Devonian Dike Swarms of Alkaline, Carbonatitic and Primitive Magma-Type Rocks from the South Kola Peninsula: Geochemical and Isotopic Constraints on Plume-Lithospheric Interaction”. International Kimberlite Conference: Extended Abstracts, vol. 8, June 2003, doi:10.29173/ikc3221.