@misc{Siemińska_Jadwiga_(1922–2018)_The_1991, author={Siemińska, Jadwiga (1922–2018)}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, journal={Polish Botanical Studies. Guidebook Series}, howpublished={online}, year={1991}, publisher={Polish Academy of Sciences. W. Szafer Institute of Botany}, language={eng}, language={pol}, type={Text}, title={The symbol of the Polish Botanical Society and the emblem of the Jubilee Conference of its Phycological Section}, title={Symbol Polskiego Towarzystwa Botanicznego i emblemat Jubileuszowej Konferencji}, URL={http://rcin.org.pl/Content/214311/PDF/KR171_251781_Jubil-X-Conf-PhycolPBS_Sieminska-Symbol-PBS.pdf}, }