SHEPHERD, . R. The June 28, 1991 Sierra Madre California earthquake . Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 24, n. 4, p. 279–286, 1991. DOI: 10.5459/bnzsee.24.4.279-286. Disponível em: https://bulletin.nzsee.org.nz/article/view/722. Acesso em: 17 apr. 2026.