@misc{Luniak_Maciej_(1936–_)_Zmiany_1972,
 author={Luniak, Maciej (1936– )},
 volume={R. 37},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 address={Kraków},
 journal={Protection of Nature},
 howpublished={online},
 year={1972},
 publisher={Nature Protection Research Centre of the Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={Zmiany w awifaunie Warszawy w latach 1945-1969},
 title={Changes in the avifauna of Warsaw during the years 1945-1969},
 URL={http://rcin.org.pl/Content/124661/PDF/KR038_92478_r1972-r37_OP-Luniak-295-312.pdf},
 keywords={birds of town and city, birds of Warsaw, Warsaw (Poland) - 1945-1970},
}