Derakhshan, Hossein, et al. “Seismic Assessment of Out-of-Plane Loaded Unreinforced Masonry Walls in Multi-Storey Buildings”. Bulletin of the New Zealand Society for Earthquake Engineering, vol. 47, no. 2, June 2014, pp. 119-38, https://doi.org/10.5459/bnzsee.47.2.119-138.