1. Gol’dshtein, Ya.E. and Mizin, V.G., Modifitsirovanie i mikroligirovanie chuguna i stali (Modification and Microalloying of Cast Iron and Steel), Moscow: Metallurgiya, 1986.
2. Smirnov, N.A., Use of rare-earth metals for quality improvement of steel, Elektrometallurgiya, 2004, no. 2, pp. 34–39.
3. Smirnov, L.A., Rovnushkin, V.A., Oryshchenko, A.S., Kalinin, G.Yu., and Milyuts, V.G., Modification of steel and alloys with rare-earth elements. Part 1, Metallurgist, 2016, vol. 59, no. 11, pp. 1053–1061; Smirnov, L.A., Rovnushkin, V.A., Oryshchenko, A.S., Kalinin, G.Yu., and Milyuts, V.G., Modification of steel and alloys with rare-earth elements. Part 2, Metallurgist, 2016, vol. 60, no. 1, pp. 38–46.
4. Baptizmanskii, V.I., Vakhlyaev, V.B., Karnukin, M.A., et al., Influence of additives of rare-earth elements on properties of converted steel rails, Izv. Vyssh. Uchebn. Zaved., Chern. Metall., 1965, pp. 64–69.
5. Baptizmanskii, V.I., Bakhman, N., Lev, I.E., et al., Analysis of inclusions in converter steel with rare-earth element additives, Izv. Vyssh. Uchebn. Zaved., Chern. Metall., 1969, no. 7, pp. 42–45.