To, .N.H.T., Ingham, J. and Sritharan, S. 2002. Strut-and-tie computer modelling of reinforced concrete bridge portal frames . Bulletin of the New Zealand Society for Earthquake Engineering. 35, 3 (Sep. 2002), 165–189. DOI:https://doi.org/10.5459/bnzsee.35.3.165-189.