@misc{Martyka_Rafał_Merops_2001,
 author={Martyka, Rafał},
 volume={57},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={2001},
 publisher={Institute of Nature Conservation Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={Merops apiaster nesting near Tarnów},
 URL={http://www.rcin.org.pl/Content/70523/PDF/KR038_90258_r2001-t57-no4_ChPO-Martyka-103-107.pdf},
 keywords={Merops apiaster},
}