Porębski, Ryszard, and Igoris Podagėlis. “Evaluation of Variability in Subgrade Loads”. Journal of Civil Engineering and Management 9, no. 1 (March 31, 2003): 16-19. Accessed April 19, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/9009.