@misc{Wołk_Elżbieta_(1938–_)_Materiały_1964,
 author={Wołk, Elżbieta (1938– )},
 editor={Polska Akademia Nauk. Instytut Zoologiczny},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1964},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 language={eng},
 language={rus},
 title={Materiały do biologii brzegówki, Riparia riparia (L.)},
 type={Text},
 URL={http://rcin.org.pl/miiz/Content/15115/PDF/WA058_27480_P257-T8_Acta-Ornith-Nr-4.pdf},
 keywords={bank swallow, bank martin, sand martin, Poland, Wielkopolska National Park, swallows, birds, Riparia riparia, Hirundinidae, Aves},
}