@misc{Kaługa_Ireneusz_Breeding_2002, author={Kaługa, Ireneusz}, volume={58}, number={4}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, journal={Let's protect Our Indigenous Nature}, howpublished={online}, year={2002}, publisher={Institute of Nature Conservation Polish Academy of Sciences}, language={pol}, type={Text}, title={Breeding records of Merops apiaster in the Mazowsze Lowlands}, URL={http://rcin.org.pl/iop/Content/71628/PDF/KR038_89338_r2002-t58-no4_ChPO-Kaluga-114-115.pdf}, keywords={Mazowsze Lowlands, Merops apiaster}, }