Kim, Sang-Hyo, Hyun-joon Kim, Cao Jie, and Ji-hoon Park. “Multi-Feature Fusion and RF-Based Fault Diagnosis of Ball Mill Rolling Bearings”. Scientific Insights and Discoveries Review 3 (October 11, 2024): 17–31. Accessed August 10, 2026. https://crestapress.org/index.php/sidr/article/view/67.