Balevičius, Robertas, Algis Džiugys, and Rimantas Kačianauskas. “Discrete Element Method and Its Application to the Analysis of Penetration into Granular Media”. Journal of Civil Engineering and Management 10, no. 1 (March 31, 2004): 3-14. Accessed April 22, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/8953.