@misc{Pinowski_Jan_Lęgowisko_1954,
 author={Pinowski, Jan},
 volume={10 nowa seria},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1954},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Lęgowisko gila w Puszczy Kampinoskiej},
 type={Text},
 URL={http://rcin.org.pl/Content/88089/PDF/KR038_109171_r1954-t10-no1_ChPO-Pinowski-50.pdf},
 keywords={bullfinch, Pyrrhula pyrrhula},
}