@misc{Czechowski_Wojciech_Hybrids_1993,
 author={Czechowski, Wojciech},
 volume={44},
 editor={Muzeum i Instytut Zoologii Polskiej Akademii Nauk},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Annales Zoologici},
 howpublished={online},
 year={1993},
 publisher={Muzeum i Instytut Zoologii Polskiej Akademii Nauk},
 language={eng},
 type={Text},
 title={Hybrids in red wood ants (Hymenoptera, Formicidae)},
 URL={http://rcin.org.pl/Content/57356/PDF/WA058_73456_P255-T44_Annal-Zool-%20Nr-4.pdf},
 keywords={Hymenoptera, Formicidae, Formica rufa, Formica polyctena, Insecta},
}