@misc{_Nature_2000,
 volume={R. 57},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Nature Conservation},
 address={Kraków},
 howpublished={online},
 year={2000},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={Nature Conservation Ann. 57 (2000)},
}