ACKROYD, Michael H. Simplified Frame Design of Type PR Construction. Engineering Journal, [S. l.], v. 24, n. 4, p. 141–146, 1987. DOI: 10.62913/engj.v24i4.496. Disponível em: https://ej.aisc.org/index.php/engj/article/view/496. Acesso em: 16 nov. 2024.