1. SK Choudhary and AJ Khan: Steel Times Int., 2000, vol. 24, p. 21.
2. KG Rackers and BG Thomas: Urbana, 1995, vol. 51, p. 61801.
3. H. Schuster S. Rödl, S. Ekerot, G. Xia,N. Veneri, F. Ferro, S. Baragiola, P. Rossi, S. Fera, V. Colla, G. Bioli, M. Krings, L.-F. Sancho, A. Diaz, M. Andersson and N. Kojola, Research Fund for Coal and Steel Unit 2008.
4. A Theodorakakos and G Bergeles: Metall. Mater. Trans. B, 1998, vol. 29, pp. 1321-1327.
5. GA Panaras, A Theodorakakos, and G Berggeles: Metall. Mater. Trans. B, 1998, vol. 29, pp. 1117-1126.