LEVINTON, Zusse. Hyperboloid Space Frames for Tower Structures. Engineering Journal, [S. l.], v. 4, n. 3, p. 93–99, 1967. DOI: 10.62913/engj.v4i3.80. Disponível em: https://ej.aisc.org/index.php/engj/article/view/80. Acesso em: 9 oct. 2024.