@misc{_Acta_1964,
 editor={Polska Akademia Nauk. Instytut Zoologiczny},
 journal={Acta Ornithologica},
 address={Warszawa},
 howpublished={online},
 year={1964},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 language={eng},
 language={rus},
 type={Text},
 title={Acta Ornithologica, t. 8 (1964)},
 keywords={ornithology, birds, Poland, periodicals},
}