Volume 4 (2018) Serbian Journal of Geosciences Volume 4 (2018)Depth distribution of 137CS in soils from special nature reserve Banat Sands, Serbia and assessment of doses to non-human biotaJelena Petrović, Ranko Dragović, Boško Gajić, Milan Đorđević, Snežana DragovićSupport vector machines for classification of soils according to geographic origin based on their radionuclide contentSnežana Dragović, Miloš Kovačević, Branislav Bajat, Antonije OnjiaSerbia and North Atlantic Treaty Organization (NATO) – collaboration and geostrategic perspectivesRanko DragovićNew approach to tourism valorization and zoning of Stari Vlah and Raška region, SerbiaDušan Kićović, Ranko Dragović