@ARTICLE{
author={Colovic Aleksandra,Pilone Salvatore Gabriele,Kukic Katarina S,Kalic Milica Dj,Dozic Slavica Z,Babic Danica,Ottomanelli Michele},
year={2022},
title={Airport Access Mode Choice: Analysis of Passengers' Behavior in European Countries},
journal={SUSTAINABILITY},
volume={14},
number={15},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kuljanin Jovana G,Kalic Milica Dj,Caggiani Leonardo,Ottomanelli Michele},
year={2019},
title={A comparative efficiency and productivity analysis: Implication to airlines located in Central and South-East Europe},
journal={JOURNAL OF AIR TRANSPORT MANAGEMENT},
volume={78},
number={},
pages={152-163},
document_type={Article; Proceedings Paper},
}