@misc{_Let’s_1993,
 volume={49},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1993},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Let’s protect Our Indigenous Nature Vol. 49 issue 4 (1993)},
 type={Text},
}