Pivonka P, Lackner R, Mang H. Material modeling of concrete subjected to multiaxial loading: application to pull-out analyses. Arch. Mech. [Internet]. 2001 Sep. 1 [cited 2026 Jan. 17];53(4-5):487-99. Available from: http://am.ippt.gov.pl/index.php/am/article/view/v53p487