@misc{Bolek_Michal_The,
 author={Bolek, Michal},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Śląskiej},
 language={eng},
 title={The future of railway operation in Central Europe},
 type={artykuł},
 keywords={Politechnika Śląska, logistyka, transport},
}