@misc{Lesiński_Grzegorz_Barbastelle_1994,
 author={Lesiński, Grzegorz},
 volume={50},
 number={2},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={1994},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Barbastelle Barbastella barbastellus in the Biebrza Valley},
 type={Text},
 URL={http://rcin.org.pl/iop/Content/89721/PDF/KR038_105391_r1994-t50-no2_ChPO-Lesinski-52-57.pdf},
 keywords={barbastelle, Barbastella barbastellus, Chiroptera},
}