@ARTICLE{Hauke_Jan_The_2015,
 author={Hauke, Jan and Dominiak, Joanna},
 number={vol. 41-42},
 journal={Studia Regionalia},
 howpublished={online},
 year={2015},
 publisher={Polish Academy of Sciences – Committee for Spatial Economy and Regional Planning and European Regional Science Association (ERSA) Polish Section},
 title={The changes of the services sector in Poland and other EU countries},
 URL={http://www.journals.pan.pl/Content/98244/mainfile.pdf},
}