Fenwick, R. C. “Comparison of Recent New Zealand and United States Seismic Design Provisions for Reinforced Concrete Beam-Column Joints and Test Results for Four Units Designed According to the New Zealand Code”. Bulletin of the New Zealand Society for Earthquake Engineering, vol. 17, no. 1, Mar. 1984, p. 69, https://doi.org/10.5459/bnzsee.17.1.69.