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3. BS 5950 (1998). Structural use of steelworks in building. Part 5: Code of practice for design of cold-formed thin gauge sections. British Standards, British Standards Institution, London.
4. BS 5950 (2000). Structural use of steelworks in building. Part 1. Code of practice for design-Rolled and welded sections. British Standards, British Standards Institution, London.
5. BS 6399 (2002). Loading for buildings. British Standards, British Standards Institution, London.