@misc{Alexandrowicz_Zofia_Conservation_1994,
 author={Alexandrowicz, Zofia},
 volume={50},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={1994},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Conservation of Crystal Caves - history and the present},
 type={Text},
 URL={http://rcin.org.pl./Content/69150/PDF/KR038_87857_r1994-t50-no4_ChPO-Alexandrowicz_s31-46.pdf},
 keywords={Crystal Caves},
}