, Anton Melik Geographical Institute Research Center of the Slovenian Academy of Sciences and Arts Novi trg 2, SI-1000 Ljubljana, Slovenia (Slovenia)

, Janez Nared, Ph.D. Anton Melik Geographical Institute Research Center of the Slovenian Academy of Sciences and Arts Novi trg 2, SI - 1000 Ljubljana, Slovenia (Slovenia)
, Znanstvenoraziskovalni center Slovenske akademije znanosti in umetnosti, Geografski inštitut Antona Melika
, Anton Melik Geographical Institute Research centre of the Slovenian academy of sciences and arts Gosposka ulica 13, SI – 1000 Ljubljana, Slovenia
, Anton Melik Geographical Institute Research Centre of the Slovenian Academy of Sciences and Arts Novi trg 2, SI-1000 Ljubljana, Slovenia


, Institute of Geography, National Autonomous University of Mexico, Mexico City, Mexico (Mexico)
, Chinese Culture University, Taipei, Taiwan (Taiwan, Province of China)
Ng, Sai-Leung, Chinese Culture University, Taipei , Taiwan, R. O. C.
, University of Bucharest, Faculty of Geography, ”Simion Mehedinți” Doctoral School, Bucharest, Romania

, University of Bucharest, Faculty of Geography, Department of Geomorphology, Pedology, and Geomatics, Bucharest, Romania (Romania)
, University of Bucharest Faculty of Geography Nicolae Balcescu Blvd. 1, 010041 Bucharest, Sect. 1, Romania Phone/fax +40-21-3153074
, Polytechnic Institute of Viana do Castelo; PROMETHEUS Research Unit on Materials, Energy and Environment for Sustainability, Viana do Castelo, Portugal (Portugal)