Thomas Kusserow Thomas Kusserow Marketing-Manager Mining & Minerals, Abb pi pm Germany (Click for more!)
Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla United States (Click for more!)
Hugo Tintaya Hugo Tintaya Staff, Project Coordinator, Shougang Hierro Peru SAA Peru (Click for more!)