JOHNSON, Patrick C.; LAMAN, Jeffrey A. Singly Symmetric Combination Section Crane Girder Design Aids. Engineering Journal, [S. l.], v. 47, n. 4, p. 261–268, 2010. DOI: 10.62913/engj.v47i4.990. Disponível em: https://ej.aisc.org/index.php/engj/article/view/990. Acesso em: 12 feb. 2025.