Roman Pasteka is an expert in applied geophysics, head of the Department of Applied Geophysics at Comenius University, and Associate Editor in the editorial board of the journal Geophysical Prospecting. He is the author and co-author of many important publications (papers) in peer-reviewed, high-ranked scientific journals.Jan Mikuska is an expert in applied gravimetry, CEO of G-trend Ltd, and a senior geophysicist. He is the author and co-author of many important publications (papers) in peer-reviewed high-ranked scientific journals.Bruno Meurers is an expert in geophysics, and a member of several editorial boards of high-ranked journals. He is the author and co-author of many important publications (papers) in peer-reviewed high-ranked scientific journals.