SZMIDT, J.K. Analiza Ram z Elementów Cienkościennych. Engineering Transactions, [S. l.], v. 23, n. 3, p. 447–472, 1975. Disponível em: https://et3.ippt.pan.pl/index.php/et/article/view/2369. Acesso em: 10 jun. 2025.