@misc{Czeczuga_Bazyli_"Wielki_1970,
 author={Czeczuga, Bazyli},
 volume={26 nowa seria},
 number={2},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={1970},
 publisher={Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={"Wielki Kamień" (The Big Stone) at the Hańcza Lake in the Lake District of Suwałki},
 type={Text},
 URL={http://www.rcin.org.pl/Content/156097/PDF/KR038_185140_r1970-t26-no2_ChPO-Czeczuga-42-44.pdf},
 keywords={geology, inanimate nature conservation, Suwałki Lake District, Wielki Kamień},
}