HIGGINS, T.R. Column Stability under Elastic Support. Engineering Journal, [S. l.], v. 2, n. 2, p. 46–49, 1965. DOI: 10.62913/engj.v2i2.28. Disponível em: https://ej.aisc.org/index.php/engj/article/view/28. Acesso em: 9 oct. 2024.