Jian Liu, Qiang Yuan, Liangxiong Dong,. “Research on Dynamic Characteristic of Unmanned Ship Propulsion System Based on Variable Shaft Angle”. Forest Chemicals Review (May 31, 2022): 1151–1166. Accessed October 5, 2025. http://www.forestchemicalsreview.com/index.php/JFCR/article/view/1217.