1. Ayrton WE, Perry J. On struts. The Engineer; 1886.
2. European Standard, Eurocode 3. Design of Steel Structures – Part1-1: General rules and rules for buildings, EN 1993-1-1; 2005.
3. Australian standard – steel structures. AS 4100–1998. Standards Australia; 2012.
4. Indian standard – general construction in steel – Code of practice. IS 800: 2007. Bureau of Indian Standards; 2007.
5. ABNT - Associação Brasileira de Normas Técnicas, 2007, NBR 8800 – Revised Draft: Design and Construction of Structural Steel and Steel-Concrete Buildings: limit states method (In Portuguese); 2007.