@misc{Pieczyński_Eligiusz_XII_1984,
 author={Pieczyński, Eligiusz},
 volume={24},
 editor={Polska Akademia Nauk. Komitet Ekologii},
 number={2},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Wiadomości Ekologiczne},
 address={Warszawa},
 howpublished={online},
 year={1984},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={XII Zjazd Hydrobiologów Polskich (Lublin, 20-23 IX 1983 r.)},
 type={Text},
 URL={http://www.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},
}