@misc{Głowaciński_Zbigniew_Introduction_2002, author={Głowaciński, Zbigniew}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, howpublished={online}, year={2002}, publisher={Institute of Nature Conservation of the Polish Academy of Sciences}, language={pol}, title={Introduction}, type={Text}, URL={http://rcin.org.pl/iop/Content/115026/PDF/KR038_90535_r2002_CzLZ-Glowacinski-7-12.pdf}, keywords={red data list, threatened species}, }