@misc{_Freshwater_1990,
 editor={Starmach, Karol (1900-1988). Redaktor},
 editor={Siemińska, Jadwiga (1922-2018). Redaktor},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Polish Botanical Studies. Guidebook Series},
 howpublished={online},
 year={1990},
 publisher={Polish Academy of Sciences, W. Szafer Institute of Botany},
 language={eng},
 type={Text},
 title={Freshwater flora of Poland},
 URL={http://rcin.org.pl/ib/Content/217238/PDF/KR171_253164_ResProgRep1988-90_Freshwater-flora-Poland.pdf},
}