@ARTICLE{Skupień_Emilia_Hydrotechnical_2012,
 author={Skupień, Emilia},
 number={No 4},
 journal={Archives of Transport},
 howpublished={online},
 year={2012},
 publisher={Polish Academy of Sciences Committee of Transport Design},
 title={Hydrotechnical Conditions and Inland Transportation’s Costs},
 URL={http://journals.pan.pl/Content/95096/mainfile.pdf},
}