EILBY, G. A. A philosophy of seismic zoning. Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 4, n. 1, p. 171–172, 1971. DOI: 10.5459/bnzsee.4.1.171-172. Disponível em: https://bulletin.nzsee.org.nz/article/view/1325. Acesso em: 26 may. 2026.