@misc{Kłonowska-Olejnik_Małgorzata_Ephemeroptera_2002,
 author={Kłonowska-Olejnik, Małgorzata},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 howpublished={online},
 year={2002},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Ephemeroptera Mayflies},
 type={Text},
 URL={http://www.rcin.org.pl/Content/115231/PDF/KR038_90558_r2002_CzLZ-Klonowska-128-132.pdf},
 keywords={red data list, threatened species, insects, mayflies, Insecta, Ephemeroptera},
}