@misc{_Acta_1999,
 volume={34},
 number={1},
 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, no. 1 - Spis treści},
 type={Text},
 URL={http://rcin.org.pl/Content/45195/PDF/WA058_61080_P257-T34_Acta-Ornith-Nr-1-sp.pdf},
 keywords={Poland, birds, periodicals, ornithology},
}