@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}, title={Freshwater flora of Poland}, type={Text}, URL={http://rcin.org.pl./Content/217238/PDF/KR171_253164_ResProgRep1988-90_Freshwater-flora-Poland.pdf}, }