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