@misc{_Protection_1994,
 volume={R. 51},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Protection of Nature},
 howpublished={online},
 year={1994},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol ; eng},
 type={Text},
 title={Protection of Nature Ann. 51 (1994)},
}