1. Meffert, B.V., O vyvetrivanii mineral’nogo uglya (The Winding of Mineral Coal), Tr. Geol. Inst., Nov. Ser., St. Petersburg: Tipogr. M.M. Stasyulevich, 1910, no.60.
2. Stadnikov, G.L., Proiskhozhdenie uglei i nefti (Origin of Coal and Oil), Moscow: Goskhimtekhizdat, 1933.
3. Krym, V.S., Khimiya tverdogo topliva. Chast’ 1. Iskopaemye ugli (Solid Fuel Chemistry, Part 1: Fossil Coals), Kiev: Gos. Nauchno-Tekh. Izd. Ukr., 1934.
4. Tronov, B.V., Coal oxidation by air, Mater. Vses. soveshchaniya po podzemnym pozharam (Proc. All-Union Meeting on Underground Fires), Moscow: Poligrafkniga, 1941.
5. Khimiya tverdogo topliva (Solid Fuel Chemistry), Karavaev, N.M, Ed., Moscow: Inostrannaya Lit., 951, no.1.