Chen, Bingyan, Dongli Song, Yao Cheng, Weihua Zhang, Baoshan Huang, and Yousif Muhamedsalih. 2022. “IGIgram: An Improved Gini Index-Based Envelope Analysis for Rolling Bearing Fault Diagnosis”. Journal of Dynamics, Monitoring and Diagnostics, June, 111-24. https://doi.org/10.37965/jdmd.2022.65.