1. Badawy Abu-Senna AB. Interaction between local, distortional and overall buckling in open thin-walled sections. PhD thesis, University of London, 1997.
2. Buckling strength of metal structures;Bleich,1952
3. BS 5950: Part 5: 1987. Structural use of steel work in building. London: British Standard Institution, 1987.
4. Buhagiar D. Behaviour and design of structures using thin-walled cold-formed sections. PhD thesis presented, University of London, 1993.
5. Design of C-section against deformational buckling. 11th International Speciality Conference of Cold Formed Steel Structures;Buhagiar,1992