Morris, Gareth J., et al. “Ground Motion Input for Nonlinear Response History Analysis: Practical Limitations of NZS 1170.5 and Comparison to US Standards”. Bulletin of the New Zealand Society for Earthquake Engineering, vol. 52, no. 3, Sept. 2019, pp. 119-33, https://doi.org/10.5459/bnzsee.52.3.119-133.