1. A. M. Gur’ev, S. G. Ivanov, and I. A. Garmaeva, Diffusion Coatings of Steels and Alloys (AltGTU, Barnaul, 2013) [in Russian].
2. Yu. M. Lakhtin and B. N. Arzamasov, Chemical-Thermal Treatment of Metals (Metallurgiya, Moscow, 1985) [in Russian].
3. L. G. Voroshnin, Chemical-Thermal Treatment of Metals and Alloys, The Handbook, Ed. by L. S. Lyakhovich (Metallurgiya, Moscow, 1981) [in Russian].
4. L. G. Voroshnin, Boridation of Industrial Steels and Cast Irons, The Handbook (Belarus’, Minsk, 1981) [in Russian].
5. L. S. Lyakhovich, L. G. Voroshnin, G. G. Panich, and E. D. Shcherbakov, Multi-Component Diffusion Coatings (Nauka Tekhnika, Minsk, 1974) [in Russian].