Ingo Valgma Tallinn University of Technology Estonia
Department of Mining
Vivika Väizene Tallinn University of Technology Estonia
Margit Kolats Tallinn University of Technology Estonia
Veiko Karu Tallinn University of Technology Estonia
Jüri Rivaldo Pastarus Tallinn University of Technology Estonia
Tiit Rahe Tallinn University of Technology Estonia
Riho Iskül Tallinn University of Technology Estonia