Park, R., and D. K. Bull. “Behaviour of Cast in Situ Reinforced Concrete Frames Incorporating Precast Prestressed Concrete Beam Shells Subjected to Seismic Loading”. Bulletin of the New Zealand Society for Earthquake Engineering, vol. 17, no. 4, Dec. 1984, pp. 223-50, doi:10.5459/bnzsee.17.4.223-250.