1. L. I. Efron, V. I. Il’inskii, Yu. D. Morozov, and A. V. Golovanov, “Development and industrial testing of pipe steel with improved strength and cold resistance having a preferred bainitic structure,” Stal, No. 9, 83–87 (2003).
2. E. M. Vyshemirskii, O. E. Kapustina, L. A. Efimenko, and O. Yu. Elagina, “Study of the structure of high-strength steels X80, X100 and recommendations for welding technology,” Nauka Tekhn. Gaz. Prom., No. 4, 20–31 (2009).
3. I. I. Frantov, T. S. Kireeva, V. I. Stolyarov, et al., “Effect of alloying on pipe steel properties and welding problems,” Stal, No. 11, 68–72 (1986).