@misc{Żurek_Roman_Strona_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},
 type={Text},
 title={Strona tytułowa ; strony redakcyjne},
 title={Spis treści},
 title={Contents},
 title={Wstęp},
 title={Preface},
 URL={http://www.rcin.org.pl/Content/148686/PDF/KR038_173164_r2006_Ichtiof-Zurek-1-10.pdf},
 keywords={ichthyofauna, freshwater biology, hydrology},
}