1. Spravochnik slantsepererabotchika (Shale Processor’s Handbook), Rudin, M.G. and Serebryannikov, N.D., Eds., Leningrad Khimiya, 1988.
2. Kashirskii, V.G. and Eremin, V.V., Kompleksnoe ispol’zovanie tepla i topliva v promyshlennosti: Mezhvuz. nauch. sb. (Multipurpose Use of Heat and Fuel in Industry: Intercollegiate Scientific Collection), Saratov: Saratov. Gos. Tekhn. Univ., 2000, p. 9.
3. Volkov, E.P. and Gavrilov, N.F., Izv. Akad. Nauk, Energetika, 2005, no. 3, p. 135.
4. Kashirskii, V.G., Eksperimental’nye osnovy kompleksnogo energotekhnologicheskogo ispol’zovaniya topliv (Experimental Fundamentals of the Energotechnological Use of Fuels), Saratov Izd. Saratov. Univ., 1981.
5. Tsikunov, Yu.F., Tubis, G.N., Blokhin, A.I., et al., Ekologiya Prom–st. Rossii, 1999, no. 3, p. 9.