@misc{Szczęsny_Bronisław_Fish_1998,
 author={Szczęsny, Bronisław and Kukuła, Krzysztof},
 volume={Nr 44},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Studia Naturae},
 howpublished={online},
 year={1998},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={eng},
 type={Text},
 title={Fish fauna in the Czarna Wisełka and the Biała Wisełka, the headstreams of the Vistula River, under acid stress},
 title={Ichtiofauna Czarnej Wisełki i Białej Wisełki w warunkach zakwaszenia środowiska wodnego},
 URL={http://www.rcin.org.pl/Content/148885/PDF/KR038_147683_r1998-t44_SN-Szczesny-171-181.pdf},
 keywords={Western Carpathian Mountains, Czarna Wisełka, Biała Wisełka},
}