@misc{Olszewski_Adam_Lęgi_2016,
 author={Olszewski, Adam and Matusiak, Jarosław},
 volume={72},
 number={5},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={2016},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Lęgi mieszanej pary orlika grubodziobego Clanga clanga z orlikiem krzykliwym Clanga pomarina w centralnej Polsce},
 title={Breeding of the mixed pair of the Greater Spotted Eagle Clanga clanga and the Lesser Spotted Eagle Clanga pomarina in Central Poland},
 type={Text},
 URL={http://rcin.org.pl/Content/144469/PDF/KR038_166660_r2016-t72-no5_ChPO-Olszewski-386-391.pdf},
 keywords={Greater Spotted Eagle, Lesser Spotted Eagle},
}