1. American Iron and Steel Institute., 2012, North American Cold-Formed Steel Specification for the Design of Cold-Formed Steel Structural Member.
2. ANSYS., 2010. ANSYS Mechanical APDL Structural Analysis Guide: ANSYS Release 13.0. USA.
3. British Standards Institution, BS5950., 1998, British Standards for Structural Use of Steel Work in Buildings – Part 5: Code of Practice for Design of Cold Formed Thin Gauge Sections.
4. R.L. Brockenbrough, 2009, Highway Engineering Handbook. 3rd ed. USA: McGraw-Hill Companies, Inc. ISBN 978-0-07-159763-0.
5. Experiments on cold-formed steel columns with holes