@misc{_Birds_1996,
 volume={31},
 editor={Caccamise, Donald F. Red.},
 editor={International Ornithological Congress (21 ; 1994 ; Wiedeń)},
 number={1},
 address={Warszawa},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1996},
 publisher={Polska Akademia Nauk. Muzeum i Instytut Zoologii},
 language={pol},
 language={eng},
 type={Text},
 title={Birds in urban and suburban areas : selected contributions from the XXI International Ornithological Congress (Wienna, 1994)},
 keywords={ornithology, birds, Poland, periodicals},
}