INNOVATIVE OBSOLESCENCE IN MECHANICAL ENGINEERING AND SINGLENESS OF INDICATORS. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 3, p. 221–224, 2024. DOI: 10.17770/etr2024vol3.8123. Disponível em: https://archive-journals.rtu.lv/etr/article/view/5061.. Acesso em: 11 mar. 2026.