@misc{_Acta_1989, editor={Polska Akademia Nauk. Instytut Zoologii}, copyright={Rights Reserved - Free Access}, address={Warszawa}, journal={Acta Ornithologica}, howpublished={online}, year={1989}, publisher={Państwowe Wydawnictwo Naukowe}, language={eng}, language={pol}, language={rus}, title={Acta Ornithologica ; vol. 25 - Spis treści}, type={Text}, URL={http://rcin.org.pl/miiz/Content/42410/PDF/WA058_31716_P257-T25_Acta-Ornith-Spis-t25.pdf}, keywords={Poland, birds, periodicals, ornithology}, }