Hesse, O., Y. Kalinin, I. Petryshynets, M. Kunert, V. Efremenko, M. Andrushchenko, M. Osipov, and M. Brykov. “Investigation on Friction Surface of High-Carbon Low-Alloyed Steel After Abrasive Wear”. Problems of Tribology, vol. 24, no. 3/93, Oct. 2019, pp. 22-28, doi:10.31891/2079-1372-2019-93-3-22-28.