@misc{Hebda_Grzegorz_The_1997,
 author={Hebda, Grzegorz},
 volume={53},
 number={2},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={1997},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={The station of the Eagle Owl Bubo bubo in the Opole region},
 type={Text},
 URL={http://rcin.org.pl/iop/Content/87979/PDF/KR038_108062_r1997-t53-no2_ChPO-Hebda-103-105.pdf},
 keywords={eagle owl, Bubo bubo},
}