HEMSTAD, Michael. Discussion: Design Concepts for Jib Cranes. Engineering Journal, [S. l.], v. 40, n. 4, p. 235–236, 2003. DOI: 10.62913/engj.v40i4.819. Disponível em: https://ej.aisc.org/index.php/engj/article/view/819. Acesso em: 9 oct. 2024.