FREUND, J.; SALONEN, E.-M. A modified four-node rectangular element. Rakenteiden Mekaniikka, [S. l.], v. 52, n. 3, p. 192–199, 2019. DOI: 10.23998/rm.75555. Disponível em: https://rakenteidenmekaniikka.journal.fi/article/view/75555. Acesso em: 25 huhti. 2024.