Yang, L., Y. Sun, R. Sun, L. Gao, and X. Chen. “Analytical Modeling and Mechanism Analysis of Time-Varying Excitation for Surface Defects in Rolling Element Bearings”. Journal of Dynamics, Monitoring and Diagnostics, vol. 2, no. 2, Feb. 2023, pp. 89-101, doi:10.37965.jdmd.2023.154.