BRANDT, A.; THIEL, K. Odkształcenia Powolne Betonu. Engineering Transactions, [S. l.], v. 8, n. 3, p. 465–508, 1960. Disponível em: https://et3.ippt.pan.pl/index.php/et/article/view/2930. Acesso em: 12 jun. 2025.