1. Rhodes J, Harvey JM. Interaction behaviour of plain channel columns under concentric or eccentric loading. In: Proc 2nd Int Colloquium on the Stability of Steel Struct., ECCS, Liege, 1977:439–44.
2. Batista E, Rondal J, Maquoi R. Column stability of cold-formed U and C sections. In: Proc Int Conf on Steel and Aluminium Struct, Cardiff, UK, 1987:419–27.
3. Thomasson PO. Thin-walled C-shaped panels in axial compression. Document D1:1978, Swedish Council for Building Research, Stockholm, Sweden, 1978.
4. Rhodes J, Loughlan J. Simple design analysis of lipped channel columns. In: Proc 5th Int Specialty Conf on Cold-Formed Steel Struct, St Louis, MI, USA, 1980: 241–62.