Bo, Li, Liu Fanyi, Mu Junying, Chen Jun, and Han Wenting. “Distinct Element Method Analysis and Field Experiment of Soil Resistance Applied on the Subsoiler”. International Journal of Agricultural and Biological Engineering 7, no. 1 (February 25, 2014): 54–59. Accessed December 26, 2025. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/937.