@misc{Popenda_Łukasz_2008,
 author={Popenda, Łukasz},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={2008},
 language={pol},
 type={Text},
 URL={http://www.rcin.org.pl/Content/204908/PDF/POZN271_241599_doktorat-popenda.pdf},
}