1. Kalachev, A.I., Open Informational System “The Best Available and Perspective Nature Protection Technologies in the Russian Power Industry.” http://osi.ecopower. ru/en/ash-handling. Accessed June 23, 2015.
2. Shpirt, M.Ya., Kler, V.R., and Pertsikov, I.Z., Neorganicheskie komponenty tverdykh topliv (Inorganic Components of Solid Fuels), Moscow: Khimiya, 1990.
3. Energeticheskoe toplivo SSSR: Spravochnik (Power-Plant Fuel of the USSR: A Handbook), Moscow: Energiya, 1991.
4. Blissett, R.S. and Rowson, N.A., Fuel, 2012, vol. 97, p. 1.
5. Shpirt, M.Ya., Artem’ev, V.B., and Silyutin, S.A., Ispol’zovanie tverdykh otkhodov dobychi i pererabotki uglei (Use of the Solid Wastes of Coal Production and Processing), Moscow: Gornoe Delo, 2013.