ELLEBY, Hotten A. Automated Analysis of Grid Beam Systems. Engineering Journal, [S. l.], v. 5, n. 3, p. 123–127, 1968. DOI: 10.62913/engj.v5i3.104. Disponível em: https://ej.aisc.org/index.php/engj/article/view/104. Acesso em: 23 feb. 2025.