Lin, Yufei, Hao Liang, Junhua Tong, Haoyu Shen, Xiaping Fu, and Chuanyu Wu. 2024. “Design and Feasibility Analysis of a Graded Harvesting End-Effector With the Function of Soluble Solid Content Estimation”. International Journal of Agricultural and Biological Engineering 17 (5). Beijing, China:239-46. https://www.ijabe.org/index.php/ijabe/article/view/7901.