@conference{Spa2016,
  author    = {Spalević, Å., Ilić, M., Palević, M.},
  title     = {Electronic Tracking of Postal Services},
  booktitle = {Sinteza 2016 - International Scientific Conference on ICT and E-Business Related Research},
  year      = 2016,
  doi       = {10.15308/Sinteza-2016-479-485},
  pages     = {479-485}
}