HABIP, L.M. Non-linear Instability and Plastic Collase of Partially Loaded Spherical shells. Engineering Transactions, [S. l.], v. 23, n. 3, p. 537–553, 1975. Disponível em: http://et.ippt.gov.pl/index.php/et/article/view/2375. Acesso em: 17 jan. 2026.