Guo, Yu, Albert C.J. Luo, Zeltzin Reyes, Abigail Reyes, and Rojitha Goonesekere. 2026. “On Experimental Periodic Motions in a Duffing Oscillatory Circuit”. Journal of Vibration Testing and System Dynamics 3 (1): 55-69. https://doi.org/10.5890/JVTSD.2019.03.005.