@misc{_Contents_1997,
 volume={53},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1997},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={eng},
 type={Text},
 title={Contents},
 URL={http://www.rcin.org.pl/Content/155893/PDF/KR038_186719_r1997-t53-no4_ChPO-Contens-128.pdf},
}