Safi, B. F., L. T. Pham, and M. J. Busby. “High Voltage Circuit Breaker Supported on a Base Isolating Tripod for Earthquake Protection”. Bulletin of the New Zealand Society for Earthquake Engineering 22, no. 3 (September 30, 1989): 145–154. Accessed June 2, 2026. https://bulletin.nzsee.org.nz/article/view/773.