@misc{Wesołowski_Tomasz_(1950–_)_The_1986,
 author={Wesołowski, Tomasz (1950– ) and Tomiałojć, Ludwik (1939– )},
 volume={22},
 editor={Polska Akademia Nauk. Instytut Zoologii},
 editor={Państwowe Wydawnictwo Naukowe (1951–1992)},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1986},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 language={rus},
 language={pol},
 type={Text},
 title={The breeding ecology of woodpeckers in a tempretate primaeval forest - preliminary data},
 URL={http://www.rcin.org.pl/Content/40212/PDF/WA058_57150_P257-T22_Acta-Ornith-Nr-1-1.pdf},
 keywords={woodpeckers, Poland, Białowieża National Park, Białowieski National Park, primaeval forests, breeding ecology, temperate zone, birds, Picidae, Aves},
}