@ARTICLE{
author={Bilotkach Volodymyr,Gitto Simone,Jovanovic Radosav,Mueller Juergen,Pels Eric},
year={2015},
title={Cost-efficiency benchmarking of European air navigation service providers},
journal={TRANSPORTATION RESEARCH PART A-POLICY AND PRACTICE},
volume={77},
number={},
pages={50-60},
document_type={Article},
}