ДРОГОМИРЕЦЬКИЙ, Я.; КРИЛЬ, А. Calculation of the sealing device roller cone bit. Problems of Tribology, [S. l.], v. 74, n. 4, p. 17–22, 2015. Disponível em: https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/402. Acesso em: 6 apr. 2025.