@misc{Perla-_Kajan_Joanna_2006,
 author={Perla- Kajan, Joanna},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={2006},
 language={pol},
 type={Text},
 URL={http://rcin.org.pl/ichb/Content/204820/PDF/POZN271_241513_doktorat-perla.PDF},
}