STEPHENSON, W. R. Earthquake induced resonant motion of alluvium
. Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 7, n. 3, p. 144–146, 1974. DOI: 10.5459/bnzsee.7.3.144-146. Disponível em: https://bulletin.nzsee.org.nz/index.php/bnzsee/article/view/1233. Acesso em: 8 nov. 2025.