1. Eurocode 3 (EC3), Design of Steel Structures-Part 1–8: Design of Joints. European Committee for Standardization, EN 1993-1-8, CEN, Brussels, 2005.
2. Design Guide for Rectangular Hollow Section (RHS) Joints under Predominantly Static Loading;Packer,2009
3. Design Guide for Circular Hollow Section (CHS) Joints under Predominantly Static Loading;Wardenier,2008
4. ISO. Static design procedure for welded hollow-section joints-Recommendations. ISO/FDIS 14346: 2012(E), Geneva.
5. International Institute of Welding (IIW) Subcommission XV-E, XV-1281-08: Static Design Procedure for Welded Hollow Section Joints-Recommendations, 3rd Ed., 2008.