Chang, Zongyu, Zhenhua Hou, and Zhongqiang Zheng. “Dynamic Performance of a Point Absorber WEC Considering Nonlinear Hardening Spring under Irregular Waves”. International Marine Energy Journal 6, no. 1 (March 31, 2023): 19–25. Accessed June 20, 2024. https://marineenergyjournal.org/imej/article/view/131.