@misc{Cieślak_Marian_The_1994,
 author={Cieślak, Marian},
 volume={29},
 editor={Polska Akademia Nauk. Muzeum i Instytut Zoologii},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1994},
 publisher={Muzeum i Instytut Zoologii PAN},
 language={eng},
 language={pol},
 type={Text},
 title={The vulnerability of breeding birds to forest fragmentation},
 URL={http://rcin.org.pl/miiz/Content/43605/PDF/WA058_59882_P257-T29_Acta-Ornith-Nr-1-3.pdf},
 keywords={breeding birds, forest birds, behaviour, effect of human beings, Poland, Eastern, life strategies, forest fragmentation, birds, Aves},
}