1. Adams, P.F., Krentz, H.A., and Kulak, G.L. 1979. Limit states design in structural steel: SI units. Canadian Institute of Steel Construction, Willowdale, Ont.
2. AISC. 2016. Specifications for structural steel buildings. ANSI/AISC 360-16. American Institute of Steel Construction, Chicago, Ill.
3. ASTM. 2016. Standard specification for general requirements for rolled structural steel bars, plates, shapes, and sheet piling. ASTM A6/A6M - 16a. ASTM International, West Conshohocken, Penn.
4. Australian Building Codes Board. 1998. Australian standard: steel structures. AS 4100. Standards Association of Australia, Sydney, Australia.