@misc{Bartel_Ryszard_Ryby_2002,
 author={Bartel, Ryszard},
 volume={Vol. 3},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Supplementa ad Acta Hydrobiologica},
 howpublished={online},
 year={2002},
 publisher={Karol Starmach Institute of Freshwater Biology of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={Ryby dwuśrodowiskowe, ich znaczenie gospodarcze, program restytucji tych gatunków},
 URL={http://rcin.org.pl/Content/115338/PDF/KR038_125930_r2002-t3_SadAH-Bartel-37-55.pdf},
 keywords={water biology, Acipenser sturio, Vimba vimba, Salmo trutta trutta, Salmo salar},
}