Dykha O, Vychavka A, Dykha M. Wear resistance and lubricity of the spiral oil distribution profile of the valve guide sleeves of an internal combustion engine. PT [Internet]. 2024 Dec. 22 [cited 2025 Jul. 31];29(4/114):32-9. Available from: https://tribology.khmnu.edu.ua/index.php/ProbTrib/article/view/970