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Thomas Pollak Thomas Pollak Engineer, MUT Management Umwelt Technologie Consulting Network GmbH Österreich (Click for more!)
Helmut Mayer Helmut Mayer Director and Principal Engineer, Mayer International Group Pty. Ltd. Australien (Click for more!)
Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla Vereinigte Staaten (Click for more!)