@misc{Śnieżek_Jan._O_1899,
 author={Śnieżek, Jan.},
 copyright={Public Domain},
 address={Kraków},
 journal={Publications of famous biologists - a collection of prints},
 howpublished={online},
 year={1899},
 publisher={Nakładem Akademii Umiejętności},
 language={pol},
 title={O krajowych gatunkach Trzmielców (Psithyrus)},
 type={Text},
 URL={http://www.rcin.org.pl/Content/118817/PDF/s1023.pdf},
 keywords={Domestic fauna - bumblebees - proper bumblebees- phylogenetic ratio of bumblebees to properbumblebees, Bumblebees - proper bumblebees- domestic fauna, Bumblebees - domestic fauna - proper bumblebees},
}