Чернець, М. В., and Ю. М. Чернець. 2018. “ Wear and Durability of Cylindrical Spur Tractive Gear of Electric Locomotive at High-Altitude Correction of Engagement”. Problems of Tribology 87 (1):6-9. https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/646.