Park, R., and Ruitong Dai. “A Comparison of the Behaviour of Reinforced Concrete Beam-Column Joints Designed for Ductility and Limited Ductility”. Bulletin of the New Zealand Society for Earthquake Engineering, vol. 21, no. 4, Dec. 1988, pp. 255-78, https://doi.org/10.5459/bnzsee.21.4.255-278.