1. Krichko, A.A., Ozerenko, A.A., Frosin, S.B., Zekel’, L.A., and Maloletnev, A.S., Katal. Prom–sti., 2007, no. 2, p. 30.
2. Zekel’, L.A., Krasnobaeva, N.V., Kadiev, Kh.M., Khadzhiev, S.N., and Shpirt, M.Ya., Khim. Tverd. Topl. (Moscow), 2010, no. 6, p. 22.
3. Khadzhiev, S.N., Neftekhimiya, 2011, vol. 51, no. 1, p. 3.
4. Ortiz-Moreno, H., Ramires, J., Cuevas, R., Marroquin, G., and Ancheyta, J., Fuel, 2012, vol. 100, p. 186.
5. Sizova, I.A., Kulikova, A.B., Onishchenko, M.I., Serdyukov, S.I., and Maksimov, A.L., Neftekhimiya, 2016, vol. 56, no. 1, p. 52.