@misc{_Acta_1988, volume={24}, number={1}, editor={Polska Akademia Nauk. Instytut Zoologii}, address={Warszawa}, journal={Acta Ornithologica}, howpublished={online}, year={1988}, publisher={PaƄstwowe Wydawnictwo Naukowe}, language={pol}, language={eng}, language={rus}, type={Text}, title={Acta Ornithologica, vol. 24 no 1 (1988)}, keywords={ornithology, birds, Poland, periodicals}, }