1. 1) World Steel in Figures 2012, World Steel Association, Brussels, Belgium, (2012).
2. 2) C. Ojeda, B. G. Thomas, J. Barco and J. L. Arana: Proc. of AISTech 2007, Assoc. Iron Steel Technology, Warrendale, PA, USA, (2007), 269.
3. 3) J. Sengupta, C. Ojeda and B. G. Thomas: Int. J. Cast Metal. Res., 22 (2009), 8.
4. 4) S-M. Cho, G-G. Lee, S-H. Kim, R. Chaudhary, O-D. Kwon and B. Thomas: Proc. of TMS 2010, TMS, Warrendale, PA, USA, (2010), 71.
5. 5) S-M. Cho, S-H. Kim, R. Chaudhary, B. G. Thomas, H-J. Shin, W-R. Choi and S-K. Kim: Iron Steel Technol., 9 (2012), 85.