@misc{Rulka_Anna_2010,
 author={Rulka, Anna},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={2010},
 language={pol},
 type={Text},
 URL={http://www.rcin.org.pl/Content/208034/PDF/POZN271_244960_doktorat-rulka.pdf},
}