@misc{Żurek_Roman_Podstawy_2006,
 author={Żurek, Roman},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 howpublished={online},
 year={2006},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Podstawy prawne},
 title={Legal bases},
 type={Text},
 URL={http://rcin.org.pl/Content/148687/PDF/KR038_173165_r2006_Ichtiof-Zurek-11-18.pdf},
 keywords={ichthyofauna, freshwater biology, hydrology, water law},
}