FRANK, Karl H.; HELWIG, Todd A. Buckling of Webs in Unsymmetric Plate Girders. Engineering Journal, [S. l.], v. 32, n. 2, p. 43–53, 1995. DOI: 10.62913/engj.v32i2.643. Disponível em: https://ej.aisc.org/index.php/engj/article/view/643. Acesso em: 12 feb. 2025.