Chen, Bingyan, Dongli Song, Yao Cheng, Weihua Zhang, Baoshan Huang, and Yousif Muhamedsalih. “IGIgram: An Improved Gini Index-Based Envelope Analysis for Rolling Bearing Fault Diagnosis”. Journal of Dynamics, Monitoring and Diagnostics (June 10, 2022): 111–124. Accessed November 19, 2024. https://ojs.istp-press.com/dmd/article/view/65.