1. High strength steels and cast steel nodes for tubular structures-investigations, applications and research results;Puthli,2008
2. Specification for Structural Steel Buildings;ANSI/AISC 360,2016
3. Hollow Structural Section Connections;Packer,2010
4. Cold-formed Stainless Steel Structures;AS/NZS 4673,2001
5. Hollow Structural Section Connections and Trusses – A Design Guide;Packer,1997