PIVONKA, P.; LACKNER, R.; MANG, H.A. Material modeling of concrete subjected to multiaxial loading: application to pull-out analyses. Archives of Mechanics, Warsaw, Poland, v. 53, n. 4-5, p. 487–499, 2001. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v53p487. Acesso em: 17 jan. 2026.