@misc{Cempulik_Piotr_Breeding_1993, author={Cempulik, Piotr}, volume={28}, number={2}, editor={Polska Akademia Nauk. Muzeum i Instytut Zoologii}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Warszawa}, journal={Acta Ornithologica}, howpublished={online}, year={1993}, publisher={Muzeum i Instytut Zoologii PAN}, language={eng}, language={pol}, type={Text}, title={Breeding ecology of the Moorhen Gallinula chloropus in Upper Silesia (Poland)}, URL={http://www.rcin.org.pl/Content/42443/PDF/WA058_59699_P257-T28_Acta-Ornith-Nr-2-2.pdf}, keywords={Moorhen, Common Moorhen, breeding biology, effect of human beings, Poland, Silesia, Upper, rails, birds, Gallinula chloropus, Rallidae, Aves}, }