Ge, Liang, Nvqing Zhou, Nengji Jiang, Lie Li, Xiaojun Wang, and Yi Teng. “Research on an Improved VMD-RCMDE Multi-Feature Fusion Diagnosis Method for External Pump Faults”. Engineering Transactions (July 27, 2026). Accessed August 7, 2026. http://et.ippt.gov.pl/index.php/et/article/view/3655.