@ARTICLE{Frączek_Paweł_The_2015,
 author={Frączek, Paweł},
 number={No 1},
 journal={Archives of Mining Sciences},
 howpublished={online},
 year={2015},
 publisher={Committee of Mining PAS},
 title={The Modernization of the Energy Sector in Denmark / Modernizacja Sektora Energii W Danii},
 URL={http://journals.pan.pl/Content/93851/PDF/10267-Volume60_Issue1-26_paper.pdf},
 doi={10.1515/amsc-2015-0026},
}