Luo, Albert C.J., and Chuan Guo. “A Period-1Motion to Chaos in a Periodically Forced, Damped, Double-Pendulum”. Journal of Vibration Testing and System Dynamics 3, no. 3 (September 1, 2019): 259–280. Accessed October 17, 2026. https://lhscientificpublishing.com/index.php/jvtsd/article/view/204.