1. Design and development of a general cold-formed steel portal framing system;Lim;Struct Eng,2002
2. Design approach of cold-formed steel portal frames;Dundu;Int J Steel Struct,2011
3. Wrzesien, A.M., Lim, J.B.P., Xu, Y.,Dundu, M., Macleod, I.A., and Lawson, R.M., Stressed skin effects on cold-formed steel portal frames with semi-rigid joints-experimental study. Paper presented at the 6th International Conference on Coupled Instabilities in Metal Structures, Glasgow. 2012.
4. Hancock, G.J., The behaviour of structures composed of thin-walled members. PhD Thesis, The University of Sydney, Australia. 1975.
5. Baigent, A. and G.J. Hancock, The strength of cold-formed portal frames. Paper presented at the Sixth International Specialty Conference on Cold-Formed Steel Structures, Missouri S&T, USA. 1982.