@misc{Olszewski_Tomasz_S._Aster_2014, author={Olszewski, Tomasz S. and Markowski, Ryszard}, 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}, type={Text}, title={Aster tripolium L. Aster solny}, URL={http://rcin.org.pl/Content/135915/PDF/KR038_166900_r2014_PCzKR-Olszewski-508-510.pdf}, keywords={red data book, flowering plants, Anthophyta, Aster tripolium}, }