Pivonka, P., R. Lackner, and H.A. Mang. “Material Modeling of Concrete Subjected to Multiaxial Loading: Application to Pull-Out Analyses”. Archives of Mechanics 53, no. 4-5 (September 1, 2001): 487–499. Accessed November 19, 2025. https://am.ippt.pan.pl/index.php/am/article/view/v53p487.