Todt, W. Geochemistry, Max Planck Institute for Chemistry, Max Planck Society;
Tichomirowa, M., Grosche, G., Gotze, J., Belyatsky, B. V., Savva, E. V., Keller, J., et al. (2006). The mineral isotope composition of two Precambrian carbonatite complexes from the Kola Alkaline Province - Alteration versus primary magmatic signatures. Lithos, 91(1-4), 229-249.