1. Specification for the Design of Cold-Formed Steel Structural Members;American Iron and Steel Institute,1980
2. Specification for the Design of ColdFormed Steel Structural Members;American Iron and Steel Institute,1989
3. Specification for the Design of ColdFormed Steel Structural Members;American Iron and Steel Institute,1996
4. Specification for the Design of ColdFormed Stainless Steel Structural Members;American Society of Civil Engineers;ANSI/ASCE-8-90,1991