Litewka, A., and L. Szojda. “Damage and Fracture of Brittle Materials Subjected to Tri-Axial Compression”. Archives of Mechanics 57, no. 6 (November 1, 2005): 455–477. Accessed January 8, 2026. https://am.ippt.pan.pl/index.php/am/article/view/v57p455.