1. Design Guide for Circular Hollow Section (CHS) Joints under Predominantly Static Loading (1);Wardenier,1991
2. Design Guide for Circular Hollow Section (CHS) Joints under Predominantly Static Loading, Vol. Construction with Hollow Steel Sections;Wardenier,2008
3. Eurocode 3. Design of Steel Structures – Part 1.8: Connection Design,2006
4. Eurocode 3. Design of Steel Structures – Part 1.8: Connection Design,2020
5. Eurocode 3. Design of Steel Structures. Additional Rules for the Extension of EN 1993 up to Steel Grades S 700,2005