Wood, John H., Howard E. Chapman, G. C. Gregg, and Donald K. Kirkcaldie. 2008. “Seismic Assessment and Retrofit of Waikanae and Pakuratahi River Bridges”. Bulletin of the New Zealand Society for Earthquake Engineering 41 (1):38-46. https://doi.org/10.5459/bnzsee.41.1.38-46.