Wan, J., Z. Zhou, N. Yun, X. Y. Zhang, J. Tang, and K. Wang. “Friction Compensation and External Force Estimation for Robotic Systems Using a Fuzzy Neural Network Approach”. Strojniški Vestnik - Journal of Mechanical Engineering, vol. 72, no. 1-2, Mar. 2026, pp. 40-51, doi:10.5545/sv-jme.2025.1489.