1. Professor, Institute of Environmental Management, Univ. of Miskolc, 1204 Budapest Bocskai u. 13, Hungary.
2. Ph.D. Student, Institute of Environmental Management, Univ. of Miskolc, H3515 Miskolc-Egyetemváros, Hungary (corresponding author).
3. Professor, Institute of Environmental Management, Univ. of Miskolc, MTA-ME Geoengineering Research Group, H3515 Miskolc-Egyetemváros, Hungary.
4. Associate Professor, Institute of Environmental Management, Univ. of Miskolc, H3515 Miskolc-Egyetemváros, Hungary.