@misc{Staszkiewicz_Jerzy_(1929–_)_Variability_1990,
 author={Staszkiewicz, Jerzy (1929– ) and Samborska, Aneta},
 editor={Zarzycki, Kazimierz (1930- ). Redaktor},
 editor={Korzeniak, Urszula. Redaktor},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Polish Botanical Studies. Guidebook Series},
 address={Kraków},
 howpublished={online},
 year={1990},
 publisher={Polish Academy of Sciences, W. Szafer Institute of Botany},
 language={eng},
 type={Text},
 title={Variability of Centaurea oxylepis Wimm. et Grab. and the allied species (Asteraceae)},
 URL={http://rcin.org.pl./Content/217207/PDF/KR171_253133_ResProgRep1988-90_Staszkiewicz-Variability-Centaurea.pdf},
}