@misc{Partyka_Józef_The_1973,
 author={Partyka, Józef},
 volume={29},
 editor={Research Centre for the Protection of Nature of the Polish Academy of Sciences},
 number={2},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Warszawa},
 address={Kraków},
 howpublished={online},
 year={1973},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={The nature of the Ojców National Park is in danger},
 type={Text},
 URL={http://rcin.org.pl/Content/80696/PDF/KR038_103429_r1973-t29-no2_ChPO-Partyka-49-52.pdf},
 keywords={Ojców National Park (Ojców, Poland)},
}