Диха, О., Р. Сорокатый, and Т. Гедзюк. “Influence of the Speed Factor on Wear of Tribosystems of Boundary Friction”. Problems of Tribology, Vol. 59, no. 1, July 2014, pp. 131-5, http://tribology.khnu.km.ua/index.php/ProbTrib/article/view/367.