PRIESTLEY, M. J. N. Brief comments on elastic flexibility of reinforced concrete frames
 and significance to seismic design . Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 31, n. 4, p. 246–259, 1998. DOI: 10.5459/bnzsee.31.4.246-259. Disponível em: https://bulletin.nzsee.org.nz/article/view/532. Acesso em: 18 apr. 2026.