Savonliak, Valeriy, Sergiy Zabolotniy, Yuilia Marchenko, і Valeriy Shenfeld. «RESTORATION OF WORN OUT HOLES OF PIVOT JOURNALS OF TROLLEY – BUSES OF CITY ELECTRIC TRANSPORT». Scientific Works of Vinnytsia National Technical University, no. 3 (Грудень 1, 2015). дата звернення Червень 19, 2026. https://works.vntu.edu.ua/index.php/works/article/view/97.