@misc{_Materiały_1963,
 editor={Rydzewski, Władysław (1911–1980). Red.},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1963},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 language={rus},
 language={eng},
 title={Materiały do awifauny Polski},
 type={Text},
 keywords={bibliography of papers of faunistic interest 1960-62, bibliography, critical, bird watching, Poland, birds, Aves},
}