Lewis, A. P. “Limit Cycle Prediction for a Multi-Degree-of-Freedom System With a Freeplay Non-Linearity”. Journal of Applied Nonlinear Dynamics 12, no. 2 (June 1, 2023): 379–403. Accessed October 17, 2026. https://lhscientificpublishing.com/index.php/jand/article/view/481.