@misc{_Acta_1999, editor={Polska Akademia Nauk. Muzeum i Instytut Zoologii}, copyright={Rights Reserved - Free Access}, address={Warszawa}, journal={Acta Ornithologica}, howpublished={online}, year={1999}, publisher={Muzeum i Instytut Zoologii PAN}, language={eng}, language={pol}, language={rus}, title={Acta Ornithologica ; vol. 34 - Spis treści}, type={Text}, URL={http://rcin.org.pl/miiz/Content/45225/PDF/WA058_32173_P257-T34_Acta-Ornith-Spis-t34.pdf}, keywords={Poland, birds, periodicals, ornithology}, }