КУБИЧ, В.; ИВЩЕНКО, Л. X-rays spectral analysis of thin surface layers of the elements under friction. Problems of Tribology, [S. l.], v. 59, n. 1, p. 6–11, 2014. Disponível em: https://tribology.khmnu.edu.ua/index.php/ProbTrib/article/view/224. Acesso em: 31 jul. 2025.