@ARTICLE{
author={Pjevcevic Danijela,Radonjic Aleksandar N,Hrle Zlatko,Colic Vladeta},
year={2012},
title={Dea Window Analysis for Measuring Port Efficiencies in Serbia},
journal={PROMET-TRAFFIC & TRANSPORTATION},
volume={24},
number={1},
pages={63-72},
document_type={Article},
} 

@ARTICLE{
author={Radonjic Aleksandar N,Pjevcevic Danijela,Hrle Zlatko,Colic Vladeta},
year={2011},
title={Application of Dea Method to Intermodal Container Transport},
journal={TRANSPORT},
volume={26},
number={3},
pages={233-239},
document_type={Article},
} 

@ARTICLE{
author={Radmilovic Zoran R,Hrle Zlatko,Muskatirovic Jasna},
year={2003},
title={Power unit-cargo space link in inland waterway navigation},
journal={JOURNAL OF ADVANCED TRANSPORTATION},
volume={37},
number={1},
pages={119-138},
document_type={Article},
}