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Matej Masný
Department of Geography and Geology, Faculty of Natural Sciences, Matej Bel University, Tajovského 40, 974 01,Banská Bystrica, Slovak Republic
Karol Weis
Department of Geography and Geology, Faculty of Natural Sciences, Matej Bel University, Tajovského 40, 974 01,Banská Bystrica, Slovak Republic
Martin Boltižiar
Department of Geography and Regional Development, Faculty of Natural Sciences Constantine the Philosopher University in Nitra, Trieda A. Hlinku 1, 949 74Nitra, Slovak Republic