@misc{_Acta_2006,
 editor={Museum and Institute of Zoology, Polish Academy of Sciences},
 address={Warsaw},
 journal={Acta Ornithologica},
 howpublished={online},
 year={2006},
 publisher={Museum and Institute of Zoology, Polish Academy of Sciences},
 language={eng},
 title={Acta Ornithologica, vol. 41 (2006)},
 type={Text},
 keywords={birds, Poland, ornithology, periodicals},
}