Брыков, М.Н., and В.Г. Ефременко. “ On Problematic Wordings in Tribology”. Problems of Tribology 67, no. 1 (July 10, 2014): 94–99. Accessed September 21, 2025. https://tribology.khmnu.edu.ua/index.php/ProbTrib/article/view/151.