STEPHENSON, W. R.; SMITH, W. D. “The importance of surface waves in strong ground motion". W. D. Smith: Bulletin of N.Z. National Society for Earthquake Engineering, Vol. 10, No. 4, December, 1978. Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 11, n. 2, p. 131–132, 1978. DOI: 10.5459/bnzsee.11.2.131-132. Disponível em: https://bulletin.nzsee.org.nz/article/view/1101. Acesso em: 6 jun. 2026.