1. Kotel’nikov, R.B., Bashlykov, S.N., Galiakbarov, Z.G., and Kashtanov, A.I., Osobo tugoplavkie elementy i soedineniya (spravochnik) (Super-Refractory Elements and Compounds (Handbook)), Moscow: Metallurgiya, 1969.
2. Knyazkov, A.M., Kurbakov, S.D., Savvatimskiy, A.I., et al., High Temp.–High Pressures, 2011, vol. 40, nos. 3–4, p. 349.
3. Onufriev, S.V., Savvatimskii, A.I., and Yanchuk, V.I, Meas. Tech., 2011, vol. 54, no. 8, p. 926.
4. Gathers, G.R., Shaner, J.W., and Young, D.A., Report of Lawrence Livermore National Laboratory, Livermore, 1974, no. UCRL-51644.
5. Lebedev, S.V. and Savvatimskii, A.I., Teplofiz. Vys. Temp., 1986, vol. 24, no. 5, p. 892.