@misc{_Acta_2003, volume={38}, editor={Polska Akademia Nauk. Muzeum i Instytut Zoologii}, number={2}, address={Warszawa}, journal={Acta Ornithologica}, howpublished={online}, year={2003}, publisher={Muzeum i Instytut Zoologii PAN}, language={pol}, language={eng}, language={rus}, title={Acta Ornithologica, vol. 38 no 2 (2003)}, type={Text}, keywords={ornithology, birds, Poland, periodicals}, }