Свідерський, В., Т. Константинова, Л. Кириченко, and Д. Декалюк. “Investigation of Mechanical and Friction Properties of Polytetrafluoroeethylene Modified by Nanopowder Zirconium Dioxide.”. Problems of Tribology, Vol. 76, no. 2, June 2015, pp. 61-68, https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/429.