HUGHES, D. K. Shear modulus Gs. Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 20, n. 1, p. 63–65, 1987. DOI: 10.5459/bnzsee.20.1.63-65. Disponível em: https://bulletin.nzsee.org.nz/article/view/824. Acesso em: 28 apr. 2026.