Libin, Zhang, Wang Yan, Yang Qinghua, Bao Guanjun, Gao Feng, and Xun Yi. 2009. “Kinematics and Trajectory Planning of a Cucumber Harvesting Robot Manipulator”. International Journal of Agricultural and Biological Engineering 2 (1):1-7. https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/61.