BOOTHBY, Thomas E. The Application of Flexural Methods to Torsional Analysis of Thin-walled Open Sections. Engineering Journal, [S. l.], v. 21, n. 4, p. 189–198, 1984. DOI: 10.62913/engj.v21i4.430. Disponível em: https://ej.aisc.org/index.php/engj/article/view/430. Acesso em: 9 oct. 2024.