Hodder, S. B., R. I. Skinner, R. T. Hefford, and P. M. Randal. “Strong Motion Records of the Milford Sound Earthquake 1976 May 4”. Bulletin of the New Zealand Society for Earthquake Engineering 11, no. 3 (September 30, 1978): 184–190. Accessed September 4, 2026. https://bulletin.nzsee.org.nz/article/view/1087.