Диха, О.В., А.П. Білик, and Р.В. Петрук. “ A Test of Optimum Content of the Special Additive Is to Industrial Oil”. Problems of Tribology 68, no. 2 (July 10, 2014): 55–58. Accessed November 22, 2024. https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/138.