1. Aliev, A.A., Development and application of new lead-free steel for making distributor parts of Otto engines, Met. Sci. Heat Treat., 2012, vol. 54, nos. 3–4, pp. 150–151
2. Nikitin, M.S. and Ryabov, A.V., Prospective use of Sn for steel alloying, Vestn. Yuzhno-Ural. Gos. Univ., Ser.: Metall., 2011, no. 14 (231), pp. 51–54.
3. Garcia, C.I., Hua, M.J., Miller, M.K., and Diardo, A.J., Application of grain boundary engineering in lead-free “green steel,” ISIJ Int., 2003, vol. 43, no. 12, pp. 2023–2027.
4. Li, L.-S., Zhu, R., Guo, H.-J., Dong, J., and Li, F., Development of non-leaded free-cutting steel by adding tin, J. Univ. Sci. Technol. Beijing, 2003, vol. 25, no. 4, pp. 312–314.
5. Li, L.-S., Zhu, R., Guo, H.-J., et al., A study on smelting and properties of tin-bearing free-cutting steel, Special Steel, 2004, vol. 25, no. 6, pp. 10–12.