@misc{Mitka_Józef_Centaurea_2014,
 author={Mitka, Józef and Zemanek, Bogdan},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 howpublished={online},
 year={2014},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Centaurea kotschyana Heuff. ex W. D. J. Koch Chaber Kotschyego},
 type={Text},
 URL={http://rcin.org.pl/Content/133303/PDF/KR038_151995_r2014_PCzKR-Mitka-546-547.pdf},
 keywords={red data book, flowering plants, Anthophyta, Centaurea kotschyana},
}