@misc{Urban_Jan_Outcrops_1997,
 author={Urban, Jan},
 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={pol},
 type={Text},
 title={Outcrops of Triassic sedimentary rocks proposed for protection in Chrzanów district (Silesian Upland)},
 URL={http://www.rcin.org.pl/Content/75775/PDF/KR038_91890_r1997-t53-no4_ChPO-Urban-117-121.pdf},
 keywords={inanimate nature conservation, Silesian Upland},
}