Войтов, В.А., and Б.М. Цимбал. 2016. “ Roughness and Wear Processes on the Working Surfaces of Tribosystems Friction of Extruder EB-350 and EB-350M”. Problems of Tribology 81 (3):32. https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/21.