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2. American Institute of Steel Construction (1998).AISC LRFD specification, 2nd Edition, Chicago, Illinois.
3. Galambos, T.V. Ed. (1998).Guide to stability design criteria for metal structures. 5th ed. New York: John Wiley & Sons.
4. MSC/NASTRAN (1998).Quick reference guide, Version 70.5, MacNeal-Schwindler Corporation, Los Angeles, CA.
5. MSC/PATRAN (2000).Introduction to MSC patran, PAT301 course notes, Version 9.0, MacNeal-Schwindler Corporation, Los Angeles, CA.