1. Eurocode 3 Part 1.3, Design of steel structures: part 1.3 — cold-formed thin gauge members and sheeting, CEN/TC250/SC3-PT1A,1992
2. Load and resistance factor design specification for structural steel buildings,1996
3. Limit state design of steel structures, CAN/CSA-S16.1-M89,1989
4. Recommendations for the design and fabrication of tubular structures in steel,1990
5. Steel structures, Australian Standard AS 4100,1998