Environmentally degraded mining areas of eastern Slovakia as a potential object of geotourism

ČECHÁK, Vladimír et al. Environmentally degraded mining areas of eastern Slovakia as a potential object of geotourism. In Sustainability. - Basel : Multidisciplinary Digital Publishing Institute, 2020. ISSN 2071-1050, 2020, vol. 12, no. 15, pp. [1-26]. Dostupné na: https://doi.org/10.3390/su12156029.