@misc{_Acta_1933,
 editor={Museum and Institute of Zoology Polish Academy of Sciences},
 address={Warsaw},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1933 -},
 type={Text},
 title={Acta Ornithologica},
 keywords={ornithology, birds, Poland, periodicals},
}