SIDDIQUI, Faruq M.A. A Beam Design Aid for Structural Tubing. Engineering Journal, [S. l.], v. 23, n. 4, p. 173–176, 1986. DOI: 10.62913/engj.v23i4.473. Disponível em: https://ej.aisc.org/index.php/engj/article/view/473. Acesso em: 9 oct. 2024.