@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://rcin.org.pl/iop/Content/70523/PDF/KR038_90258_r2001-t57-no4_ChPO-Martyka-103-107.pdf}, keywords={Merops apiaster}, }