NAIR, R. Shankar. Practical Application of Energy Methods to Structural Stability Problems. Engineering Journal, [S. l.], v. 34, n. 4, p. 126–134, 1997. DOI: 10.62913/engj.v34i4.1234. Disponível em: https://ej.aisc.org/index.php/engj/article/view/1234. Acesso em: 9 oct. 2024.