@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/iop/Content/69135/PDF/KR038_89458_r1992-t48-no4_ChPO-Witkowski-31-40.pdf}, keywords={apollo butterfly, Pieniny National Park, Pieniny (mountains), Parnassius apollo}, }