@misc{Alexandrowicz_Zofia_9.4._2000,
 author={Alexandrowicz, Zofia},
 volume={Nr 46},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Studia Naturae},
 address={Kraków},
 howpublished={online},
 year={2000},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={9.4. Humidity and temperature of barren rocks},
 type={Text},
 URL={http://rcin.org.pl./Content/79211/PDF/KR038_93072_r2000-t46_SN-Alexandrowicz-154-159.pdf},
 keywords={Wieliczka salt mine, Crystal Caves},
}