1. M.Sc., Ph.D., Associate Professor, Institute of Earth Resources, Faculty BERG, Technical University of Košice
2. M.Sc., Ph.D., Associate Professor, Institute of Geodesy Cartography and GIS, Faculty BERG, Technical University of Košice
3. M.Sc., Ph.D., Associate Professor, Institute of Earth Resources, Faculty BERG, TechnicalUniversity of Košice