1. 1) H. Sandberg, R. Lagneborg, B. Lindblad, H. Axelsson and L. Bentell: Scand. J. Met., 30 (2001), 420.
2. 2) D. Gielen: Energy Convers. Manag., 44 (2003), 1027.
3. 3) European Comission, SETIS: Energy Efficiency and CO2 Reduction in the Iron and Steel Industry, European comission, Brussels, (2015), 1.
4. 4) World Steel Association: Worldsteel position paper, Steels Contribution to a Low Carbon Future and Climate Resilient Societies, World Steel Association, Brussels, (2017), 1.
5. 5) J. C. M. Farla, C. A. Hendriks and K. Blok: Clim. Change, 29 (1995), 439.