@conference{Vis2015,
  author    = {Višnić, T., Began, M.},
  title     = {Geoheritage Sites in the Function of Geotourism Development in the Republic of Serbia},
  booktitle = {Synthesis 2015 - International Scientific Conference of IT and Business-Related Research},
  year      = 2015,
  doi       = {10.15308/Synthesis-2015-552-557},
  pages     = {552-557}
}