PHAM, L. T. A base-isolation design using spherically-ended rollers and telescopic shock absorbers. Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 21, n. 2, p. 135–139, 1988. DOI: 10.5459/bnzsee.21.2.135-139. Disponível em: https://bulletin.nzsee.org.nz/article/view/807. Acesso em: 28 may. 2026.