COMBINED TECHNOLOGY OF ELECTRO-SPARK ALLOYING AND THERMAL DIFFUSION BORIDING OF STEEL. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 3, p. 24–26, 2019. DOI: 10.17770/etr2019vol3.4149. Disponível em: https://archive-journals.rtu.lv/etr/article/view/4351.. Acesso em: 11 mar. 2026.