1. Krasnov, A.N., Sharivker, S.Yu., and Zil’berberg, V.G., Nizkotemperaturnaya plazma v metallurgii (Low-Temperature Plasma in Metallurgy), Moscow: Metallurgiya, 1970.
2. Lakomskii, V.I., Plazmenno-dugovoi pereplav (Plasma-Arc Remelting), Kiev: Tekhnika, 1974.
3. Isakaev, E.Kh., Sinel’nikov, V.A., and Filippov, G.A., Chern. Metall., Byull. Nauchno-Tekh. Ekon. Inf., 2005, no. 7, p. 59.
4. Paisov, I.V., Termicheskaya obrabotka stali i chuguna. Uchebnoe posobie (Heat Treatment of Steel and Cast Iron: A Textbook), Moscow: Metallurgiya, 1970.
5. Averin, V.V., Revyakin, A.V., Fedorchenko, V.I., et al., Azot v metallakh (Nitrogen in Metals), Moscow: Metallurgiya, 1976.