1. A. G. Bratukhin, G. K. Yazov, and B. E. Karasev (eds.), Modern Processes in the Production of Gas Turbine Engines [in Russian], Mashinostroenie, Moscow (1997), 416 p.
2. Yu. S. Eliseev, V. V. Krymov, I. P. Nezhurin, et al., Production of Gears for Gas Turbine Engines [in Russian], Vysshaya Shkola, Moscow (2001), 493 p.
3. I. P. Banas, G. P. Alekseeva, and A. N. Utkina, “Modern steels for highly stressed gears,” Vestn. Mashinostr., No. 9, 12 – 15 (1985).
4. I. S. Kozlovskii, Thermochemical Treatment of Gears [in Russian], Mashinostroenie, Moscow (1970), 232 p.
5. A. E. Smirnov and N. M. Ryzhov, “Mass transfer in ion carburization,” Metalloved. Term. Obrab. Met., No. 3, 2 – 7 (1993).