ANALYTICAL MODEL FOR DETERMINING THE FRICTION FORCE AT THE CONTACT OF A METAL BODY WITH A COPPER CONTACT SURFACE. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 4, p. 56–60, 2024. DOI: 10.17770/etr2024vol4.8197. Disponível em: https://archive-journals.rtu.lv/etr/article/view/5086.. Acesso em: 11 mar. 2026.