1. ABAQUS (2009). Standard User’s Manual. Version 6.9. Hibbitt, Karlsson and Sorensen, Inc., Rhode Island, USA.
2. Bhatti, A. Q. and Kishi, N. (2008). “Nonlinear dynamic behavior of cold-formed steel pipe pier model using shaking table test.” Proc. 1 st International Conference on Construction in Developing Countries (IccIdc-I), Karachi, Pakistan.
3. Chen, S. J. and Chen, J. (2009). “Steel bridge columns with pre-selected plastic zone for seismic resistance.” Thin-Walled Structures, 47, pp. 31–38.
4. Chtnghvang, H. (1989). “Static and dynamic analysis of plate and shell.” Theory Software and Application, Springer-Verlag, pp. 118.
5. Estekanchi, H. and Arjomandi, K. (2007). “Comparison of damage indexes in nonlinear time history analysis of steel moment frames.” Asian Journal of Civil Engineering (Building and Housing), 8(6), pp. 629–646.