Yusubov, F., V. Valiyev, and U. Akbarova. “Morphological Analysis of Surface Degradation in Phenolic Friction Composites Using Image Processing Techniques”. Problems of Tribology, vol. 30, no. 2/116, June 2025, pp. 54-61, doi:10.31891/2079-1372-2025-116-2-54-61.