Zhao, Xiong, et al. “Research and Experiment of a Novel Flower Transplanting Device Using Hybrid-Driven Mechanism”. International Journal of Agricultural and Biological Engineering, vol. 13, no. 2, Apr. 2020, pp. 92-100, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/5187.