@misc{Głowaciński_Zbigniew_New_1997,
 author={Głowaciński, Zbigniew},
 volume={53},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={1997},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={New IUCN/WCU categories of threatend and disappearing species},
 type={Text},
 URL={http://www.rcin.org.pl/Content/69480/PDF/KR038_88810_r1997-t53-no1_ChPO-Glowacinski-60-66.pdf},
 keywords={threatened species, disappearing species, red data book, red data list},
}