TOPRAC, A.A. Strength of Three New Types of Composite Beams. Engineering Journal, [S. l.], v. 2, n. 1, p. 21–30, 1965. DOI: 10.62913/engj.v2i1.21. Disponível em: https://ej.aisc.org/index.php/engj/article/view/21. Acesso em: 9 oct. 2024.