FAJMAN, P. Membrane Triangles with Drilling Degrees of Freedom. Acta Polytechnica, Prague, Czech Republic, v. 44, n. 5-6, 2004. DOI: 10.14311/624. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/624. Acesso em: 22 jan. 2025.