Rolf Steffen

Iron, 4. Smelting Reduction Processes

Jürgen Flickenschild, Rolf Hauk, Rolf Steffen, 2000 .

アラカルト Japanese Steel Industry View from Overseas(3)The Japanese Steel Industry-Assessment and Particularities from a German Viewpoint

Rolf Steffen, Dieter Ameling, Peter VVichert, 2001 .

Challenges for the EU steel industry

Rolf Steffen, Dieter Ameling, 2005 .

Recycling of scrap for high quality steel products

Rolf Steffen, Rob Boom, R. Boom, 2001 .

Direct reduction and smelting reduction - an overview

Rolf Steffen, 1989 .