V. Aulin, A. Hrynkiv, S. Lysenko, O. Lyashuk, T. Zamota, and D. Holub, “Studying the tribological properties of mated materials C61900 - A48-25BC1.25BNo. 25 in composite oils containing geomodifiers”, EEJET, vol. 5, no. 12 (101), pp. 38–47, Oct. 2019.