Писаренко, В.Г., and О.В. Диха. “Development of Theory of Method of Wear Tests on a Chart Cone Three Balls for the Details of Fine Mechanics”. Problems of Tribology 63, no. 1 (July 14, 2014): 142–146. Accessed April 19, 2024. https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/215.