@misc{Mirek_Zbigniew_(1951–_)_Polish_1990,
 author={Mirek, Zbigniew (1951– )},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Polish Botanical Studies. Guidebook Series},
 howpublished={online},
 year={1990},
 publisher={W. Szafer Institute of Botany, Polish Academy of Sciences},
 language={eng},
 language={pol},
 title={Polish herbaria},
 type={Text},
 URL={http://rcin.org.pl/Content/230079/PDF/KR171_251693_PBS-GS2_Mirek-Polish-herbaria.pdf},
}