1. Fedorov, S.G., Nikolaev, A.I., and Brylyakov, Yu.E., Chemical Processing of Mineral Concentrates of the Kola Peninsula, Apatity: KNTs RAN, 2003.
2. Nikolaev, A.I., Larichkin, F.D., and Gerasimova, L.G., Titanium and Its Compounds: Resources, Technologies, Markets, and Prospects, Apatity: KNTs RAN, 2011.
3. Shchukina, E.S., Kiselev, Yu.G., and Gerasimova, L.G., The use of sphene ores in the technology of titanium compounds, Lakokras. Mater. Ikh Primen., 2017, no. 7, pp. 34–43.
4. Samburov, G.O. and Kiselev, Yu.G., Improvement of the technology for obtaining titanium compounds from enriched sphene ore, Tr. Kol’sk. Nauchn. Tsentra Ross. Akad. Nauk. Khim. Materialoved., 2018, pp. 51–56.
5. Ivanyuk, G.Y., Konopleva, N.G., Pakhomovsky, Y.A., Yakovenchuk, V.N., Mikhailova, J.A., and Bazai, A.V., Titanite of the Khibiny alkaline massif (Kola Peninsula), Zap. Ross. Mineral.
O-va., 2016, vol. 145, no. 3, pp. 36–55.