@misc{Włodek_Jan_Marian_A_1988, author={Włodek, Jan Marian and Skóra, Stanisław}, volume={30}, number={1/2}, copyright={Creative Commons Attribution BY 3.0 PL license}, journal={Acta Hydrobiologica}, address={Warszawa}, address={Kraków}, howpublished={online}, year={1988}, publisher={Institute of Freshwater Biology of the Polish Academy of Sciences}, publisher={Państwowe Wydawnictwo Naukowe}, language={eng}, title={A regulated river ecosystem in a polluted section of the Upper Vistula 9. Ichthyofauna}, title={Ekosystem uregulowanego i zanieczyszczonego odcinka Górnej Wisły 9. Ichtiofauna}, type={Text}, URL={http://rcin.org.pl./Content/208073/PDF/KR038_195793_r1988-t30-no1-2_AH-Wlodek-99-111.pdf}, }