@misc{Witkowski_Zbigniew_Restitution_1992,
 author={Witkowski, Zbigniew and Budzik, Jerzy and Kosior, Andrzej},
 volume={48},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1992},
 publisher={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={Restitution of the apollo butterfly, Parnassius apollo, in the Pieniny National Park},
 URL={http://rcin.org.pl/Content/69135/PDF/KR038_89458_r1992-t48-no4_ChPO-Witkowski-31-40.pdf},
 keywords={apollo butterfly, Pieniny National Park, Pieniny (mountains), Parnassius apollo},
}