@misc{Józefik_Mieczysław_(1930–_)_Studies_1969,
 author={Józefik, Mieczysław (1930– )},
 editor={Polska Akademia Nauk. Instytut Zoologiczny},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1969},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 language={pol},
 language={rus},
 title={Studies on the squacco heron, Ardeola ralloides (Scop.). 1. History of research},
 type={Text},
 URL={http://rcin.org.pl/Content/13563/PDF/WA058_29794_P257-T11_Acta-Ornith-Nr-6.pdf},
 keywords={squacco heron, research, Palearctic Region, history of research, herons, birds, Ardeola ralloides, Ardeidae, Aves},
}