@misc{Walentek_Dawid_Shale,
 author={Walentek, Dawid},
 howpublished={online},
 publisher={Publishing House of the University of Economics in Katowice},
 language={eng},
 title={Shale gas in Poland: An analysis of tax mechanismsand dynamic interactions},
 type={czasopismo},
 keywords={gaz łupkowy, system podatkowy},
}