1. ISO/TR 11637:1997, Boron Treated Engineering Steels for Quenching and Tempering; replaced by ISO 683-2:2016, Heat-Treatable Steels, Alloy Steels and Free-Cutting Steels. Part 2: Alloy Steels for Quenching and Tempering.
2. A. Yu. Izmaylov, S. A. Sidorov, V. K. Khoroshenkov, E. I. Khlusova, and V. V. Ryabov, “Novel hard-alloy boron-containing steels for driven elements of tilling machines,” Metal Sci. Heat Treat., 59, No. 3-4, 208–210 (2017).
3. V. V. Ryabov, G. D. Motovilina, E. I. Khlusova, S. A. Sidorov, and V. K. Khoroshenkov, “Study of the structure of new wear-resistant steels for agricultural machinery components after operational tests,” Metallurgist, 60, No. 7-8, 839–844 (2016).
4. S. A. Sidorov, “Materials of tools. Wear-resistant hard alloys and application technology,” in: Mechanical Engineering Encyclopedia, Sec. IV: Design of Machines, Vol. 4-16: Agricultural Machines and Equipment [in Russian], Mashinostroenie, Moscow (1998), pp 56–61.
5. V. A. Malakhovskii, Plasma Processes in Welding Engineering [in Russian], Vysshaya Shkola, Moscow (1988).