Radek, N., Z. Wrzałka, J. Shalapko, J. Bronček, I. Bilska, and J. Świderski. “ Properties and Application”. Problems of Tribology 70, no. 4 (July 14, 2014): 82–91. Accessed May 6, 2024. https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/187.