TJONDRO, J. A.; MOSS, P. J.; CARR, A. J. P-delta effects in medium height moment resisting steel frames under seismic loading
. Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 23, n. 4, p. 305–321, 1990. DOI: 10.5459/bnzsee.23.4.305-321. Disponível em: https://bulletin.nzsee.org.nz/article/view/744. Acesso em: 17 jun. 2026.