Вельбой, В.П., С.Ф. Посонський, О.В. Диха, and О.С. Дробот. “Discrete Electro-Contact Cementation of Cylinder Surface”. Problems of Tribology 61, no. 3 (July 17, 2014): 29-30. Accessed December 2, 2021. https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/305.