Ecology and Environmental Protection2017
DEVELOPMENT OF GEOTURISM AND MINING HERITAGE ON THE EXAMPLES OF SLOVAK OPAL MINES AND OIL MINE BOBRKA
Radoslav Klamar · SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation
