FAJMAN, P. Membrane Triangles with Drilling Degrees of Freedom. Acta Polytechnica, [S. l.], v. 44, n. 5-6, 2004. DOI: 10.14311/624. Disponível em: https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/624.. Acesso em: 12 may. 2025.