@misc{Wójcik_Zbigniew_The_1961,
 author={Wójcik, Zbigniew},
 volume={17 nowa seria},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={1961},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={The Concretions Cave in the Tatras},
 type={Text},
 URL={http://rcin.org.pl/iop/Content/79128/PDF/KR038_98946_r1961-t17-no1_ChPO-Wojcik-31-36.pdf},
 keywords={Tatra Mountains (Poland) - caves, Concretions Cave, Kościeliska Valley},
}