Кravets, Andrii, Andrii Yеvtushenko, Andrii Pogrebnyak, Yevhenii Romanovych, and Heorhii Afanasov. “Study on the Prospects of Use the Group D Engine Oil in Locomotive Diesel Engines”. International Journal of Engineering & Technology 7, no. 4.3 (September 15, 2018): 47–52. Accessed May 3, 2024. https://sciencepubco.com/index.php/ijet/article/view/19550.