PAULAY, T. A consideration of P-delta effects
 in ductile reinforced concrete frames. Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 11, n. 3, p. 151–160, 1978. DOI: 10.5459/bnzsee.11.3.151-160. Disponível em: https://bulletin.nzsee.org.nz/article/view/1084. Acesso em: 23 apr. 2026.