@conference{Mar2016,
  author    = {Marković, D., Cvetković, D., Živković, D.},
  title     = {Some Facts About Oil and Gas Industry},
  booktitle = {Sinteza 2016 - International Scientific Conference on ICT and E-Business Related Research},
  year      = 2016,
  doi       = {10.15308/Sinteza-2016-189-194},
  pages     = {189-194}
}