Xu, Yunfeng, et al. “Numerical Simulation of Particle Motion at Cucumber Straw Grinding Process Based on EDEM”. International Journal of Agricultural and Biological Engineering, vol. 13, no. 6, Dec. 2020, pp. 227-35, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/5452.