1. American Institute of Steel Construction “Code of Standard Practice for Steel Buildings and Bridges ” Sept. 1 1976.
2. American Institute of Steel Construction “Specification for the Design Fabrication and Erection of Structural Steel for Buildings ” 1980.
3. American Iron and Steel Institute “Specification for the Design of Cold‐Formed Steel Structural Members ” Sept. 3 1980.
4. American Iron and Steel Institute “Cold‐Formed Steel Design Manual ” 1983.
5. American Society of Civil Engineers “Guide for Design of Steel Transmission Towers ” Manual and Reports on Engineering Practice No. 52 1971.