Guangyue, Ren, et al. “Experimental and Numerical Research on Squat Silo and Large Size Horizontal Warehouse During Quasi-Steady-State Storage”. International Journal of Agricultural and Biological Engineering, vol. 9, no. 6, Dec. 2016, pp. 214-22, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/1729.