@misc{Alexandrowicz_Zofia._Redaktor_9._2000,
 author={Alexandrowicz, Zofia. Redaktor},
 volume={Nr 46},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Studia Naturae},
 howpublished={online},
 year={2000},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={9. Monitoring of the Crystal Caves' environment},
 URL={http://rcin.org.pl/Content/79210/PDF/KR038_95974_r2000-t46_SN-Alexandrowicz-137-138.pdf},
 keywords={Wieliczka salt mine, Crystal Caves},
}