1. Independent Ironmaking Consultant Formerly with RWTH Aachen University 52072 Aachen Germany
2. Department of Ferrous Metallurgy (IEHK) RWTH Aachen University 52072 Aachen Germany
3. AG der Dillinger Hüttenwerke Formerly with RWTH Aachen University 52072 Aachen Germany
4. Thyssenkrupp Steel Europe AG Formerly with RWTH Aachen University 52072 Aachen Germany