Козак, Ф. В., and С. І. Криштопа. “ Estimation of Electric Currents During Triboelectric Interaction in Metal-Polymer Friction Pairs”. Problems of Tribology 87, no. 1 (July 3, 2018): 10–17. Accessed August 2, 2025. https://tribology.khmnu.edu.ua/index.php/ProbTrib/article/view/647.