@misc{Dumnicka_Elżbieta_Wpływ_2007, author={Dumnicka, Elżbieta}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, howpublished={online}, year={2007}, publisher={Institute of Nature Conservation of the Polish Academy of Sciences}, language={pol}, title={Wpływ zanieczyszczeń środowiska na ekosystemy wodne}, type={Text}, URL={http://www.rcin.org.pl/Content/80428/PDF/KR038_98113_r2007_IntegOP-Dumnicka-147-149.pdf}, keywords={water pollution}, }