Yuebing Wen, Jianping Tan, Yanwei Sang. “Modeling and Symmetry Control Study of Power Bond Diagram for Valve-Controlled Asymmetric Hydraulic Cylinder System”. Design Engineering 2021, no. 02 (March 20, 2021): 264 - 277. Accessed July 22, 2024. http://thedesignengineering.com/index.php/DE/article/view/1161.