@misc{Skórka_Piotr_Natural_2001,
 author={Skórka, Piotr and Martyka, Rafał},
 volume={57},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={2001},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Natural values of the Lipie nature sanctuary in Tarnów},
 type={Text},
 URL={http://rcin.org.pl/iop/Content/142975/PDF/KR038_167933_r2001-t57-no4_ChPO-Skorka-113-116.pdf},
}