1. Structural steel oval hollow sections;Gardner;Structural Engineer,2005
2. Going elliptical;Packer;Modern Steel Construction,2008
3. CEN. Hot finished structural hollow sections of non-alloy and fine grain steels—Part 1: Technical delivery conditions, EN 10210-1:2006(E), European Committee for Standardization, Brussels, Belgium, 2006.
4. CEN. Hot finished structural hollow sections of non-alloy and fine grain steels—Part 2: Tolerances, dimensions and sectional properties, EN 10210-2:2006(E), European Committee for Standardization, Brussels, Belgium, 2006.
5. Celsius oval HSS sizes and design strengths: AISC-LRFD version, Corus tubes, structural and conveyance business;Corus,2008