1. Davydova, I.F. and Kavun, N.S., Steklo Keram., 2012, no. 4, pp. 36–42.
2. Sokolov, I.I. and Raskutin, A.E., Tr. Vses. Inst. Aviats. Mater., 2013, no. 4. http://www.viam–works.ru (deposited on 12.11.2015).
3. Vlasenko, F.S. and Raskutin, A.E., Tr. Vses. Inst. Aviats. Mater., 2013, no. 8. http://www.viam–works.ru (12.11.2015).
4. Kablov, E.N., Grashchenkov, D.V., Isaeva, N.V., et al., Steklo Keram., 2012, no. 4, pp. 7–11.
5. Kablov, E.N., Grashchenkov, D.V., Isaeva, N.V., and Solntsev, St.S., Russ. J. Gen. Chem., 2011, vol. 81, no. 5, pp. 986–991.