@misc{Pieczyński_Eligiusz_XII_1984, author={Pieczyński, Eligiusz}, volume={24}, number={2}, editor={Polska Akademia Nauk. Komitet Ekologii}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Warszawa}, journal={Wiadomości Ekologiczne}, howpublished={online}, year={1984}, publisher={Państwowe Wydawnictwo Naukowe}, language={pol}, type={Text}, title={XII Zjazd Hydrobiologów Polskich (Lublin, 20-23 IX 1983 r.)}, URL={http://rcin.org.pl/Content/211500/PDF/WA058_148589_P3259-30_Eko-Pol-B.pdf}, keywords={antropogenic impact on the environment, fisheries, effect of human begings on rivers, congresses, aquatic biology, Poland, hydrobiology}, }