1. O. A. Bannykh, “On Role of Steel in 21th Century,” Elektrometallurgiya, No. 5, 5–13 (2005).
2. V. N. Fedirko, I. N. Potrelyuk, and O. I. Yas’kov, “Formation of Interstitial Compound-Based Functional Coatings on Titanium upon Thermodiffusion Saturation,” Fiz.-Khim. Mekhanika Mater., No. 3, 17–26 (2006).
3. B. N. Arzamasov, A. G. Bratukhin, Yu. S. Eliseev, and T. A. Ponaioti, Ion Thermochemical Treatment of Alloys (MGTU, Moscow, 1999) [in Russian].
4. D. P. Shashkov, “Effect of Nitriding on the Mechanical Properties and Wear Resistance of Titanium Alloys,” Metalloved. Term. Obrab. Met., No. 6, 20–26 (2001).
5. A. A. Il’in, S. Ya. Betsofen, S. V. Skvortsova, et al., “Structural Aspects of Ion Nitriding of Titanium Alloys,” Izv. Ross. Akad. Nauk, Ser. Met., No. 3, 6–15 (2002) [Russian Metallurgy (Metally), No. 3, 209–217 (2002)].