Dun, Guoqiang, Ning Mao, Zhiyong Gao, Xingpeng Wu, Wenhui Liu, and Cheng Zhou. 2022. “Model Construction of Soybean Average Diameter and Hole Parameters of Seed-Metering Wheel Based on DEM”. International Journal of Agricultural and Biological Engineering 15 (1). Beijing, China:101-10. https://ijabe.org/index.php/ijabe/article/view/5914.