Radlovska, Katya O., Ivano-Frankivsk National Technical University of Oil and Gas
Radwanek-Bąk, Barbara, Polish Geological Institute
Radwanek-Bąk, Barbara, Polish Geological Institute – National Research Institute
Radwański, Andrzej B., The Museum of Folk Architecture in Sanok
Rahmonov, Oimahmad, University of Silesia
Rembiś, Marek, AGH University of Science and Technology
Rogowski, Mateusz, Adam Mickiewicz University
Rożek, Agata, AGH University of Science and Technology
Rozpędowska, Ewelina, The Kaczawskie Association, Mściwój
Różycka, Milena, University of Wrocław, Institute of Geography and Regional Development
Różycka, Milena, University of Wrocław, Institute of Geography and Regional Development
Różycki, Paweł
Różycki, Paweł, 1AGH University of Science and Technology
Różycki, Paweł, AGH University of Science and Technology
Różycki, Paweł, Instytut Turystyki i Rekreacji, Akademia Wychowania Fizycznego w Krakowie
Rybár, Pavol, Institute of Geotourism, Faculty BERG, TU Kosice
Rybár, Pavol, Technical University of Kosice
Rybár, Pavol, Technical University of Košice, Institute of Geotourism
Rybár, Pavol, Technical University of Košice, Faculty of Mining, Ecology, Process Control and Geotechnology, Institute of Earth Resources, Department of Geo and Mining Tourism