@misc{Luniak_Maciej_(1936–_)_Ptaki_1982,
 author={Luniak, Maciej (1936– )},
 volume={R. 44},
 editor={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Protection of Nature},
 address={Warszawa},
 address={Kraków},
 howpublished={online},
 year={1982},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Ptaki rezerwatu Las Bielański w Warszawie},
 title={The birds in the Las Bielański nature reserve in Warsaw},
 type={Text},
 URL={http://rcin.org.pl./Content/121463/PDF/KR038_92486_r1982-r44_OP-Luniak-219-243.pdf},
 keywords={birds of Warsaw, Las Bielański (reserve), Bielański Forest},
}