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2. M. M. Shved, Variations of the Operating Properties of Iron and Steel Under the Influence of Hydrogen [in Russian], Naukova Dumka, Kiev (1985).
3. V. I. Pokhmurs’kyi and V. V. Fedorov, Influence of Hydrogen on Diffusion Processes in Metals [in Ukrainian], Karpenko Physicomechanical Institute, Ukrainian National Academy of Sciences, Lviv (1998).
4. I. K. Pokhodnya and V. I. Shvachko, “Nature of hydrogen brittleness of structural steels,” Fiz.-Khim. Mekh. Mater., 37, No. 2, 87– 96 (2001);
5. English translation: Mater. Sci., 37, No. 2, 241–251 (2001).