Hopkins, D. C., W. D. Clark, T Matuschka, and J. C. Sinclair. “The Philippines Earthquake of July 16, 1990: Report on Field Visit by the NZNSEE Reconnaissance Team”. Bulletin of the New Zealand Society for Earthquake Engineering 24, no. 1 (March 31, 1991): 3–95. Accessed May 8, 2026. https://bulletin.nzsee.org.nz/article/view/738.