1. 1) M. Hatano, K. Kunishige and Y. Komizo: Tetsu-to-Hagané, 88 (2002), 142.
2. 2) I. Daigo, D. Fujimaki, Y. Matsuno and Y. Adachi: Tetsu-to-Hagané, 91 (2005), 171.
3. 3) Non-Integrated Steel Producers’ Association: Electric Furnace Reinforcing Steel Bar Quality Inspection Report, Non-Integrated Steel Producers’ Association, Tokyo, (2008), 139.
4. 4) R. H. Nafziger, A. D. Hartman and R. F. Farrell: Trends in Iron Casting Compositions as Related to Ferrous Scrap Quality and Other Variables, 1981-86, Bureau of Mines, United States Department of the Interior, Washington DC, (1990), 70.
5. 5) T. Oda, I. Daigo, Y. Matsuno and Y. Adachi: Tetsu-to-Hagané, 95 (2009), 720.